2M Accessories, Contacts, and Tools. 2M Accessories, Contacts, and tools. Page Guide. Accessories. Micro Contacts Tools

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1 2M, Contacts, and Tools Page Guide Contact Tools Assembly Plugs Tools , 102 2M Python Strain Relief Clamp.. 104, 105 Micro Band Adapter Enviromental Backshells , 111 EMI Backshells Shortening Cap Backshell , 117 Shrink Boots , 119 Hex am Nut Flange Gasket , 122 O Rings M, Contacts, and tools 2M Contact Aerospace for more information at B 97

2 2M Contacts and Tools Crimp Contacts Contact Type AMPS #23 #20HD #20 #16 #12 Pin Wire AWG Part Number Color Band 1st 2nd 3rd #22-# NA NA NA Pin #26-#30 042* Blue NA NA 5 Socket #22-# NA NA NA Socket #26-#30 043* Blue NA NA Pin #20-# NA NA NA 7.5 Socket #20-# NA NA NA Pin #20-#24 M Orange Blue Orange 7.5 Socket #20-#24 M Orange Green Violet Pin #16-#20 M Orange Blue Orange 13 Socket #16-#20 M Orange Green Gray Pin #12-#14 M Orange Blue Green 23 Socket #12-#14 M Orange Green White *Special order please consult -Aerospace for information. Contact Tools Contact #23 M Tooling Part Numbers Crimper Positioner Insertion Removal Number K1461-1* (Daniels) DAK225-22* (Daniels Insertion Only) 23R (Removal only) #20HD M HDR (Removal only) #20 M M M #16 M M M #12 M M M *Daniels Manufacturing Co. part number Crimp Tensile Strength Contact Wire Gage Silver or Tin Coated Copper Wire Nickel Coated Copper Wire #23, #20HD # #23, #20HD # #23 # #23 # #23 # Tensile Strength for size #23 and #20HD only Values represent minimums and are in pounds Contacts & Tools 2M Torque Values Shell 2M801, 2M803 Shell 2M805 Coupling Torque am Nut Tightening Backshell Tightening In-LBs. N-m In-LBs. N-m In-LBs. N-m M Max. M Max. M Max. M Max. M Max. M Max , , , Contact Aerospace for more information at

3 2M Assembly Instructions Wire Stripping 1. Strip wire to required length. (See Figure at right). When using hot wire stripping, do not wipe melted insulation material on wire strands; with mechanical strippers do not cut or nick strands. 2. See Table 1 for proper finished outside wire dimensions. 3. Twist strands together to form a firm bundle. 4. Insert stripped wire into contact applying slight pressure until wire insulation butts against wire well. Check inspection hole to see that wire strands are visible. If there are strayed wire strands, entire wire end should be re-twisted. When wire is stripped and properly installed into contact, the next step is to crimp the wire inside the contact by using the proper crimping tool. Crimping See table on preceding page for more information on crimp contacts, contact tools, and crimp tensile strength 1. Insert stripped wire into contact crimp pot. Wire must be visible through inspection hole. 2. Using correct crimp tool and locator, cycle the tool once to be sure the indentors are open, insert contact and wire into locator. Squeeze tool handles firmly and completely to insure a proper crimp. The tool will not release unless the crimp indentors in the tool head have been fully actuated. 3. Release crimped contact and wire from tool. Be certain the wire is visible through inspection hole in contact. VISUAL INSPTION HOLE Stripping Dimensions A Wire A (2.92) 2020HD.188 (4.77) (4.77) (4.77) Table 1 Contact Wire Dimension (inches)** M Max HD ** M diameters to insure moisture proof assembly; max. diameters to permit use of metal removal tools. Contact Insertion 1. First remove hardware from the plug and receptacle and slide the hardware over wires in proper sequence. 2. Use proper plastic or metal insertion tool for corresponding contact. (Consult Insertion Tool table on preceding page). Slide correct tool (with plastic tool use colored end) over wire insulation and slide forward until tool bottoms against rear contact shoulder. Examples of M22520 Crimping Tools: Shown top: tool used for small size 23 contacts. Shown bottom: tool used for size 20, 16 or 12 contacts and has a positioner that can be dialed for each contact size. 3. Next align the tool and contact up to the properly identified cavity at rear of connector plug. Use firm, even pressure; do not use excessive pressure. It is recommended to start at the center cavity. Contact must be aligned with grommet hole and not inserted at an angle. Push forward until contact is felt to snap into position within insert. Plastic tool with contact in proper position. Note: All plastic tools are double-ended. The colored side is the insertion tool and the white side is the removal tool. Metal tool with contact. Continued on next page. Contact Aerospace for more information at B 99

4 2M Assembly Instructions CONTACT INSERTION, CONT. 4. Remove tool and pull back lightly on wire, making sure contact stays properly seated and isn t dragged back with the tool. Repeat operation with remainder of contacts to be inserted, beginning with the center cavity and working outward in alternating rows. 5. After all contacts are inserted, fill any empty cavities with wire sealing plugs. 6. Reassemble plug or receptacle hardware slide forward and tighten using connector pliers. Connector holding tools are recommended while tightening back accessories. When using strain relief, center wires at bar clamp. Slide clamp grommet into position and tighten clamp bar screws. When tightening screws, pressure should be applied in the same direction that clamp is threaded to rear threads of connector. When not using clamp grommet, build up wire bundle with vinyl tape so clamp bar will maintain pressure on wires. CAUTION: when inserting or removing contacts, do not spread or rotate tool tips. CONTACT REMOVAL 1. Remove hardware from plug or receptacle and slide hardware back along wire bundle. ATTACHMENT RING ATTACHMENT FITS RING FITS UNDER AM NUT UNDER AM NUT PANEL REPTACLE CONNTOR STYLE Use proper plastic or metal removal tool for corresponding contact. Slide correct size tool over wire insulation. PANEL REPTACLE CONNTOR STYLE 07 SMALL RING SCREW Use white end of plastic tool fo removal of contacts. SMALL RING 3. Insert plastic or metal removal tool into contact cavity until tool tips enter rear grommet and come to a positive stop. Hold tool tip firmly against positive stop on contact shoulder. Grip wire and simultaneously remove tool and contact. (On occasion, it may be necessary to remove tool, rotate 90 and reinsert.) Removal of SCREW CONNTOR CONNTOR contacts with metal tool. AM NUT AM NUT CAP ATTACHMENT TO AM NUT REPTACLE PROTTION COVER PROTTION COVER CAP ATTACHMENT TO PANEL ATTACHMENT RING FITS UNDER AM NUT PANEL SMALL RING REPTACLE CONNTOR STYLE 07 SCREW CONNTOR Contacts & Tools AM NUT Solid Ring PROTTION COVER Small Ring for Attaching Receptacle Covers to a Panel with a Screw CAP ATTACHMENT TO CABLE ASSEMBLY INSTALL RING BEFORE INSTALL MOLDING RING BEFORE MOLDING OR BACKSHELL INSTALLATION BACKSHELL INSTALLATION REMOVABLE CAP ATTACHMENT TO CABLE INSTALL SPLIT RING INSTALL OVER SPLIT RING OVER CABLE ACKET CABLE ACKET PLUG COVER SHOWN PLUG COVER SHOWN Solid Ring #4-40 FILL HD SCREW #4-40 FILL HD SCREW #4-40 LOCKNUT AND SPLIT WASHER 100 Contact Aerospace for more information at #4-40 LOCKNUT AND SPLIT WASHER Large Split Ring designed for attaching covers to cables

5 2M Contacts and Tools Grommet Sealing Plugs, Spanner Tool & Holding Tool Grommet Sealing Plugs Color Part Number Military Part Number #23 Black 155 MS #20 Red 2M MS #16 Green 2M MS #12 Orange 2M MS Spanner Tool for Tightening 2M am Nuts Holding Tool Part Number (Add P or R) Shell 2M804 2M804 2M801 2M803 Style 07 Style M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M Connector Holding Tool for Tightening Backshells Shell Holding Tool Part Number (Add P or R) 2M801 2M803 2M804 2M M600MM M * 2M M600MM M * 2M M600MM M * 2M M600MM M * 2M M M600MM M * 2M M M600MM M M M M M * 2M M M600MM M * 2M M * 2M M M600MM M600MM M M M600MM M Add P for Plug holder or R for receptacle holder, followed by polarizing position (N, X, Y, Z) * Add P for Plug holder or R for Receptacle holder, followed by polarizing position (A, B, C, D). Add P for Plug holder or R for Receptacle holder. Contact Aerospace for more information at B 101

6 2M Contacts and Tools Micro Band Shield Termination Tool Micro Band Shield Termination System: Micro Band Termination: For assembling cables to overmolded style 2M connectors or backshells, the Micro Band System offers quick termination of cable shields and flexibility to be utilized on a wide range of parts with just one band size. These rugged straps have passed numerous hazardous environmental testing, including shock and vibration. Approved for use in military and aerospace applications. MATERIALS: Micro Band Installation Tool. Use with.120" (3.05 mm) wide bands inches (172 ) length, 1.2 pounds (0.6 Kg.) Micro Band,.120" (3.05 mm) wide. Available in two lengths, flat or pre-coiled. Stainless steel. Description Part Number Micro Band Installation Tool 2M Length Part Number Accommodates Diameter inch mm Flat inch mm M M Micro Band Shield Termination Instructions: Contacts & Tools 1. Prepare cable braid for termination process (Figure 1). 2. Push braid forward over adapter retention lip to the adapter incline point (or.4 [10.2mm] minimum braid length). Milk braid as required to remove slack and winsure a snug fit around the shield termination area (Figure 2). 3. Prepare the band in the following manner: IMPORTANT: Due to connectoradapter circumference, it may be necessary to prepare the band around the cable or retention area. A. Roll band through the buckle slot twice. (Band must be double-coiled!) B. Pull on band until mark ( ) is within approximately.250 inch (6.4mm) of buckle slot (Figure 3). The band may be tightened further if desired. NOTE: Prepared band should have this ( ) mark visible approximately where shown in Figure 3. Shield Termination Clamping Process (Figures 4 thru 8) NOTE: To free tool handles, squeeze handles together and move holding clips to center of tool. 5. Aligning the band and tool with the shield termination area, squeeze blue pull-up handle repeatedly in full strokes until it locks against tool body. (This indicates the band is compressed to the tool precalibrated tension.) NOTE: To loosen or remove band before locking and cut-off, squeeze gray grip per release lever on tool and pull band out. To loosen or remove band after blue pull-up handle locks against tool body, squeeze pull-up handle and push tension release lever on top of tool forward. Let tension handle return to original position and use the gripper release lever to remove band. 6. Complete the clamping process by squeezing the black cut-off handle to form lock and trim excess band. To remove excess band from tool, squeeze gray gripper release handle, pull out and dispose. Inspect shield termination. Retention Lip Adapter Conductors Braid Buckle Adapter Incline Tail Length Indicator Mark Fig (10.2mm) MIN Braid Over Termination Area Fig. 3 Fig. 4 Fig. 5 Fig. 2 Fig Squeeze gray gripper release lever and insert band into the front end opening of the tool. (Circular portion of looped band must always face downward.) Fig. 7 Micro Band Fig Contact Aerospace for more information at

7 2M Micro Miniature Python Low Profile EMIRFI Plug and Backshell Combo BENEFITS: SPACE SAVINGS This plug and backshell combo design saves space, with a minimum height and superior EMI performance. OVERVIEW 2M Python is a low profile EMIRFI plug and backshell combo. This innovative combination reduces space requirements without compromising on ruggedness or shielding performance. Available in 2M 801, 804, and 805, Python assemblies provide superior low profile cable routing and 2M Micro-miniature connector performance all-in-one. EASY MAINTENANCE The rear removable cover makes it easy to cut wires and remove contacts for easy maintenance. SIMPLE ASSEMBLY Assembles with crimp or solder cup size 23 contacts. Multiple cable entry options available for each connector size (rear opening). KEY ROTATIONS All key rotations are available as well as several connector clockings (rotating main key). Contact Aerospace for more information at B 103

8 2M Strain Relief Clamp Ordering Information 2M620MS064 and 2M620MS PART NUMBER SERVICE CLASS SIZE CODE 2M620MS06X -M PART NUMBER Part # Description 2M620MS065 Rotatable Coupling 2M620MS064 Direct Coupling 2. SERVICE CLASS Material Part # Description -C Black Anodized (Non-conductive) -M Electroless Nickel ALUMINUM -NF -MT -ZN Olive Drab Cadmium Durmalon (Ni PTFE) Olive Drab Zinc Nickel -ZNU Black Zinc Nickel STAINLESS STEEL -Z1 Passivated -ZM Electroless Nickel Contacts & Tools UNEF-2B Thread 3. SIZE CODE Cable Entry Diameter Shell 2M801, 2M803, 2M UNEF UNEF M UNEF UNEF UNEF UNEF UNEF UNEF.42 12, UNEF UNEF.48 14, 15, 16, 17 18, UNEF.61 14, 15, 16, 17 18, UNEF Nut, Clamp, and Saddles Hardware MATERIALS Aluminum Alloy 6061-T6 or 300 SST 300 Stainless Steel 104 Contact Aerospace for more information at

9 2M Strain Relief Clamp Dimensions 2M620MS064 and 2M620MS065 A THREAD C F CLOSED G B MAX D E H MAX D E A Threads UNEF-2B B Max. C Max. D DIA. E F G Max H Max. ±.015 ± 0.38 ±.015 ± 0.38 ±.030 ± Contact Aerospace for more information at B 105

10 2M Thread-On Micro Band Adapter Ordering Information 2M440MS135, MK135 and ML PART NUMBER SERVICE CLASS SIZE CODE CABLE ENTRY LENGTH BAND OPTIONS SIZE 2M440MX135 -M K Omit for no band supplied K adapter is supplied with Micro Band shield termination band, pre-coiled 1. PART NUMBER Part # Description 2M440MS135 Straight Entry 2M440MK Entry 2M440ML Entry 2. SERVICE CLASS Material Part # Description ALUMINUM -C Black Anodized (Non-conductive) -M Electroless Nickel -NF -MT -ZN Olive Drab Cadmium Durmalon (Ni PTFE) Olive Drab Zinc Nickel 3. SIZE CODE ZNU Black Zinc Nickel STAINLESS STEEL -Z1 Passivated -ZM Electroless Nickel Contacts & Tools 4. CABLE ENTRY SIZE LENGTH Straight Entry 2M440MS135 Only Length Length (inches) Specify Length in increments of.125 inches (3.18 ) Accessory Thread SHELL SIZE 2M801 2M803 Nut, Adapter 2M UNEF-2B UNEF-2B MATERIALS 2M UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B 14 16,17 14, 15 14, 15 18, UNEF-2B Aluminum Alloy or 300 SST Band 300 SST O-Ring Silicone Elastomer 106 Contact Aerospace for more information at

11 2M Thread-On Micro Band Adapter 2M440MS135, MK135 and ML135 A Threads UNEF-2B B Max C Max. D Max. E Max. F Max STRAIGHT ENTRY ROTATABLE COUPLING 2M440MS135 A THREAD B TYP O-RING LENGTH H K Cable Entry ±.015 CABLE ENTRY H Dia. Dia. K Dia. Use ± 0.38 ±.015 ± 0.38 ±.015 ± 0.38 With s º ENTRY ROTATABLE COUPLING 2M440MK135 C D CONNTOR SHELL SIZE 2M801, 2M803, 2M804 A Threads UNEF-2B 5 Shell 2M UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B 12, UNEF-2B UNEF-2B 14, 15, 16, 17 18, UNEF-2B º ENTRY ROTATABLE COUPLING 2M440ML135 Contact Aerospace for more information at E F B 107

12 2M Low-Profile Micro Band Adapter Order Info 2M440MS PART NUMBER SERVICE CLASS SIZE CODE CABLE ENTRY LENGTH BAND OPTIONS SIZE 2M440MS134 -M K Omit for no band supplied K adapter is supplied with Micro Band shield termination band, pre-coiled 1. PART NUMBER Part # Description 2M440MS134 Straight Entry 2. SERVICE CLASS Material Part # Description ALUMINUM -C Black Anodized (Non-conductive) -M Electroless Nickel -NF -MT -ZN Olive Drab Cadmium Durmalon (Ni PTFE) Olive Drab Zinc Nickel 3. SIZE CODE ZNU Black Zinc Nickel STAINLESS STEEL -Z1 Passivated -ZM Electroless Nickel Contacts & Tools 4. CABLE ENTRY SIZE , , , , , , , , LENGTH Straight Entry 2M440MS135 Only Length Length (inches) Specify Length in increments of.125 inches (3.18 ) Accessory Thread SHELL SIZE 2M801 2M803 Nut, Adapter 2M UNEF-2B UNEF-2B MATERIALS 2M UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B 14 16,17 14, 15 14, 15 18, UNEF-2B Aluminum Alloy or 300 SST Band 300 SST O-Ring Silicone Elastomer 108 Contact Aerospace for more information at

13 2M Low-Profile Micro-Band Adapter Dimensions 2M440MS134 O-RING A THREAD B MAX C D E CONNTOR SHELL SIZE B Max. A Threads UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B Cable Entry ±.015 CABLE ENTRY C Dia. D Dia. E Dia. Use ± 0.38 ±.015 ± 0.38 ±.015 ± 0.38 With s CONNTOR SHELL SIZE 2M801, 2M803, 2M804 A Threads UNEF-2B 5 Shell 2M UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B 12, UNEF-2B UNEF-2B 14, 15, 16, 17 18, UNEF-2B Contact Aerospace for more information at B 109

14 2M Environmental Backshell Ordering Info 2M370MS37, MS038, MB038 and MA PART NUMBER SERVICE SIZE CABLE ENTRY LENGTH OPTIONS CLASS CODE SIZE 2M370MS038 -M N Omit for screw clamp with saddle bars N Optional Compression Nut, Low Profile 1. PART NUMBER Part # Description 2M370MS038 Straight Entry Rotatable Coupling 2M370MS037 2M370MB038 2M370MA038 Straight Entry, Direct Coupling 45 Entry 90 Entry 2. SERVICE CLASS Material Part # Description ALUMINUM -C Black Anodized (Non-conductive) -M Electroless Nickel -NF -MT -ZN Olive Drab Cadmium Durmalon (Ni PTFE) Olive Drab Zinc Nickel 3. SIZE CODE ZNU Black Zinc Nickel STAINLESS STEEL -Z1 Passivated -ZM Electroless Nickel 4. CABLE ENTRY SIZE 5. LENGTH SHELL SIZE Contacts & Tools Max. M Straight Entry 2M440MS. Only Length Length (inches) Specify Length in increments of.125 inches (3.18 ) Accessory Thread Adapter, Clamp, Nut and Saddles O-Rings 2M801 2M803 MATERIALS Aluminum Alloy 6061-T6 or 300 Stainless Steel Silicone Rubber 2M804 2M UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B 14 16,17 14, 15 14, 15 18, UNEF-2B Hardware 300 Stainless Steel 110 Contact Aerospace for more information at

15 2M Environmental Backshell 2M370MS037, MS038, MB038 and MA038 STRAIGHT ENTRY ROTATABLE COUPLING 2M370MS038 STRAIGHT ENTRY DIRT COUPLING 2M370MS037 CLAMP STYLE N COMPRESSION NUT SADDLE CLAMP A THREAD LENGTH O-RING REF LENGTH O-RING REF REF B MAX TYP C MAX TYP K CABLE SEALING DIA. H CLOSED 45º ENTRY ROTATABLE COUPLING 2M370MB038 D 90º ENTRY ROTATABLE COUPLING 2M370MA038 F E G A Threads UNEF- 2B B Max. C Max Cable Entry CABLE ENTRY Cable Sealing Dia. D Max. E Max. F Max. G Max. Max. M In. ±.015 H Dia. Dia. K Dia. ± 0.38 ±.030 ± 0.76 ±.015 ± Contact Aerospace for more information at B 111

16 2M EMI Backshell Ordering Information 2M380MS137, MS135, MB137 and MA PART NUMBER SERVICE SIZE CABLE ENTRY LENGTH OPTIONS CLASS CODE SIZE 2M380MS135 -M N Omit for screw clamp with saddle bars N Optional Compression Nut, Low Profile 1. PART NUMBER Part # Description 2M380MS137 Straight Entry Rotatable Coupling 2M380MS135 2M380MB137 2M380MA137 Straight Entry, Direct Coupling 45 Entry 90 Entry 2. SERVICE CLASS Material Part # Description ALUMINUM -C Black Anodized (Non-conductive) -M Electroless Nickel -NF -MT -ZN Olive Drab Cadmium Durmalon (Ni PTFE) Olive Drab Zinc Nickel 3. SIZE CODE ZNU Black Zinc Nickel STAINLESS STEEL -Z1 Passivated -ZM Electroless Nickel 4. CABLE ENTRY SIZE 5. LENGTH SHELL SIZE Contacts & Tools Saddle Clamp Dia. Fully Closed Straight Entry 2M380MS Only Length Length (inches) Specify Length in increments of.125 inches (3.18 ) Accessory Thread Adapter, Clamp, Nut and Saddles O-Rings 2M801 2M803 MATERIALS Aluminum Alloy 6061-T6 or 300 Stainless Steel Silicone Rubber 2M804 2M UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B 14 16,17 14, 15 14, 15 18, UNEF-2B Hardware 300 Stainless Steel 112 Contact Aerospace for more information at

17 2M EMI Backshell 2M380MS137, MS135, MB138 and MA138 A THREAD STRAIGHT ENTRY ROTATABLE COUPLING 2M380MS REF LENGTH EMI RING A THREAD STRAIGHT ENTRY DIRT COUPLING 2M380MS REF LENGTH EMI RING CLAMP STYLE N COMPRESSION NUT REF SADDLE CLAMP B MAX TYP C MAX TYP L K H 45º ENTRY ROTATABLE COUPLING 2M380MB137 D CLOSED E B Max. C Max. A Threads UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B º ENTRY ROTATABLE COUPLING 2M380MA137 F G Cable Entry D Max. E Max. F Max. G Max. In. CABLE ENTRY ±.015 H Dia. Closed K Dia. L Dia. ± 0.38 ±.030 ± 0.76 ±.015 ± 0.38 ± Contact Aerospace for more information at ± 0.38 B 113

18 2M Environmental EMI Backshell Ordering Info 2M390MS077, MS076, 2M390MB077 and 2M390MA PART NUMBER SERVICE SIZE CABLE ENTRY LENGTH OPTIONS CLASS CODE SIZE 2M390MS076 -M N Omit for screw clamp with saddle bars N Optional Compression Nut, Low Profile 1. PART NUMBER Part # Description 2M390MS077 Straight Entry Rotatable Coupling 2M390MS076 2M390MB077 2M390MA077 Straight Entry, Direct Coupling 45 Entry Rotatable Coupling 90 Entry Rotatable Coupling 2. SERVICE CLASS Material Part # Description ALUMINUM -C Black Anodized (Non-conductive) -M Electroless Nickel -NF -MT -ZN Olive Drab Cadmium Durmalon (Ni PTFE) Olive Drab Zinc Nickel 3. SIZE CODE ZNU Black Zinc Nickel STAINLESS STEEL -Z1 Passivated -ZM Electroless Nickel 4. CABLE ENTRY SIZE 5. LENGTH SHELL SIZE Contacts & Tools Max. M Straight Entry 2M380MS Only Length Length (inches) Specify Length in increments of.125 inches (3.18 ) Accessory Thread Adapter, Clamp, Nut and Saddles O-Rings 2M801 2M803 MATERIALS Aluminum Alloy 6061-T6 or 300 Stainless Steel Silicone Rubber 2M804 2M UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B 14 16,17 14, 15 14, 15 18, UNEF-2B Hardware 300 Stainless Steel 114 Contact Aerospace for more information at

19 2M Environmental EMI Backshell 2M390MS077, MS076, MB077 and MA077 STRAIGHT ENTRY ROTATABLE COUPLING 2M390MS077 STRAIGHT ENTRY DIRT COUPLING 2M390MS076 CLAMP STYLE N COMPRESSION NUT A THREAD LENGTH O-RING REF A THREAD LENGTH O-RING REF REF B MAX TYP C MAX K 45º ENTRY ROTATABLE COUPLING 2M390MB077 D 90º ENTRY ROTATABLE COUPLING 2M390MA077 F E CABLE SEALING DIA. SADDLE CLAMP CLOSED H Cable Entry CABLE ENTRY Cable Sealing Dia. D Max. E Max. F Max. G Max. Max. M In. ±.010 H Dia. Closed K Dia. Contact Aerospace for more information at G A Threads UNEF-2B ± 0.25 B Max. ±.030 ± 0.76 C Max ±.010 ± B 115

20 2M Shorting Cap Backshell Ordering Info 2M340MS PART NUMBER SERVICE ATTACHMENT SIZE LENGTH ATTACHMENT LENGTH CLASS TYPE CODE CODE 2M340MS026 -M -G Omit for attachment Type N (No Attachment) Ex. "-5" equals five inch length 1. PART NUMBER Part # Description 2M340MS026 Shorting Cap Backshell 2. SERVICE CLASS Material Part # Description ALUMINUM -C Black Anodized (Non-conductive) -M Electroless Nickel -NF -MT -ZN Olive Drab Cadmium Durmalon (Ni PTFE) Olive Drab Zinc Nickel 3. ATTACHMENT TYPE -G Nylon Rope -H Stainless Steel Wire Rope, Teflon acket -N No Attachment -S -SK -U Stainless Steel Sash Chain Nylon Rope With Slip Knot Stainless Steel Wire Rope, Polyurethane acket 4. SIZE CODE ZNU Black Zinc Nickel STAINLESS STEEL -Z1 Passivated -ZM Electroless Nickel 5. LENGTH 6. ATTACHMENT CODE MATERIALS Contacts & Tools Overall Length in Inches Length Length (inches) Omit for attachment Types N (No Attachment) and SK (Slip Knot) SMALL RING LARGE RING SPLIT RING (3.20) I.D (3.68) I.D (4.78) I.D (5.00) I.D (9.78) I.D (11.30) I.D (14.48) I.D (16.13) I.D (17.65) I.D (22.48) I.D (27.17) I.D (10.67) I.D (12.19) I.D (16.13) I.D (18.92) I.D (22.48) I.D (25.65) I.D (28.58) I.D (34.16) I.D. Adapter, Clamp, Nut and Saddles Hardware O-Ring Aluminum Alloy 6061-T6 or 300 Stainless Steel 300 SST Silicone Elastomer Assembly Instructions for Protection Cap, see page Contact Aerospace for more information at

21 2M Shorting Cap Backshell Dimensions 2M340MS026 ATTACHMENT OPTIONS Ring I.D. Ring O. D. Small Ring for Attaching to a Panel with a Screw Large Solid Ring for Attaching to a am Nut Receptacle Nylon Rope Slip Knot (SK) for attaching Covers to Cables Dia. ±.005 ±.13 Max Max Dia. Ring I.D. Ring O. D. ±.010 ±.25 ±.015 ± to +100 C., black, flexible, good abrasion resistance, good resistance to fuels,.120" 3mm diameter. Length includes.5" 13mm diameter loop. DIMENSIONS A Max Dia. B Threads UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B UNEF-2B Polyurethane Coated Wire Rope LANYARD OPTIONS Nylon Rope -55 to +100 C., black, very flexible, good abrasion resistance, good resistance to fuels,.120" 3mm diameter Black polyurethane over stainless steel rope, very flexible, excellent abrasion resistance, excellent resistance to fuels,.080" 2mm diameter Teflon acketed Wire Rope Translucent FEP jacket over stainless steel, -55 to +200 C., fair flexibility, good abrasion resistance,.100" diameter Sash Chain Stainless steel, #8 chain,.240'' 6mm diameter Contact Aerospace for more information at B 117

22 2M Backshells and 2M809S060, 2M809A060 Shrink Boots The 2M of Shrink Boots is intended for use with the 2M series of connectors supplied with Integral Backshells. All shrink boots are supplied pre-coated with Hi-Temperature, Hot-Melt adhesive that will seal the boot to both the cable and connector. The boots also contains a lip that will lock on to a groove on the connector for improved strain relief. High Performance Elastomer - Lipped Shrink Boot Pre-coated with Adhesive Operating Temperature: -70 C to +150 C Rated for 3000 hrs. continuous operation at +150 C Excellent resistance to fuels, oils, and solvents Material Fluid Resistant Polymer Spec VG 343 Part 6 Boot Shell 2M801, 2M803, 2M804 2M805 Straight Shrink Boots Part Number Pre-Coated with Hi- Temp Hot-Melt Adhesive Right Angle Boots Part Number Pre-Coated with Hi- Temp Hot-Melt Adhesive 1 5 NA 2M809S060-1G 2M809A060-1G 2 6, 7 8,9 2M809S060-2G 2M809A060-2G 3 8, 9 10,11 2M809S060-3G 2M809A060-3G 4 10, 12, 13 12, 15 2M809S060-4G 2M809A060-4G 5 14, 15, 16, 17 18, 19 2M809S060-5G 2M809A060-5G M809S060-6G 2M809A060-6G Zero Halogen - Lipped Shrink Boots Low Smoke, Zero Halogen Toxicity Requirements: Meets U.S. and standards Pre-coated with Adhesive Operating Temperature: -30 C to +125 C Good resistance to fuels, oils, and solvents Material Low Smoke Halogen Free Spec NAVSEA Boot Shell 2M801, 2M803, 2M804 2M805 Straight Shrink Boot Part Number Pre-Coated with Hi- Temp Hot-Melt Adhesive Right Angle Shrink Boots Part Number Pre-Coated with Hi- Temp Hot-Melt Adhesive 1 5 NA 2M809S060-1H 2M809A060-1H 2 6, 7 8,9 2M809S060-2H 2M809A060-2H 3 8, 9 10,11 2M809S060-3H 2M809A060-3H 4 10, 12, 13 12, 15 2M809S060-4H 2M809A060-4H 5 14, 15, 16, 17 18, 19 2M809S060-5H 2M809A060-5H M809S060-6H 2M809A060-6H 1 right angle supplied less lip see page 108 2M Torque Values Contacts & Tools 2M801, 2M803, 2M804, 2M805 Recommended Torque Values Shell Shell Backshell Tightening 2M801, 2M803, 2M804 2M805 In-LBs. N-m M Max. M Max , , , Contact Aerospace for more information at

23 2M Backshells and 2M809S060, 2M809A060 Shrink Boots Lipped Straight Shrink Boots STANDARD LENGTH AFTER SHRINKING E D MIN. B AS SUPPLIED (EXPANDED) G F C A MIN. Boot H A M B Max. C±20% D±10% E Ref. F Max. G Ref. H±30% Lipped Right Angle Shrink Boots AS SUPPLIED (EXPANDED) AFTER SHRINKING AFTER SHRINKING SIZE 1 F H E H A B B G C D E C D Boot A M B Ref. C±30% D Max. E±20% F Ref. G±20% H Max NA NA Contact Aerospace for more information at B 119

24 2M Backshells and Hex am Nuts for 2M Receptacles- 035 THREAD (SEE TABLE).100 ± ± 0.13 A B DIA. Contacts & Tools Thread Class 2B Electroless Nickel UNEF 035M01W UN 035M02W UNEF 035M03W UN 035M04W UNEF 035M05W UNEF 035M06W UN 035M16W UN 035M07W UN 035M08W UN 035M09W UN 035M10W UN 035M17W UN 035M11W UNEF 035M12W UN 035M13W UN 035M18W UN 035M14W UN 035M15W UN 035M19W UN 035M20W UN 035M21W Olive Drab Cadmium 035NF01W 035NF02W 035NF03W 035NF04W 035NF05W 035NF06W 035NF16W 035NF07W 035NF08W 035NF09W 035NF10W 035NF17W 035NF11W 035NF12W 035NF13W 035NF18W 035NF14W 035NF15W 035NF19W 035NF20W 035NF21W Aluminum HOLE FOR MAX DIA SAFETY WIRE 120 ) Part Number Black Zinc Nickel Nickel-PTFE Passivated 035ZNU01W 035ZNU02W 035ZNU03W 035ZNU04W 035ZNU05W 035ZNU06W 035ZNU16W 035ZNU07W 035ZNU08W 035ZNU09W 035ZNU10W 035ZNU17W 035ZNU11W 035ZNU12W 035ZNU13W 035ZNU18W 035ZNU14W 035ZNU15W 035ZNU19W 035ZNU20W 035ZNU21W 035MT01W 035MT02W 035MT03W 035MT04W 035MT05W 035MT06W 035MT16W 035MT07W 035MT08W 035MT09W 035MT10W 035MT17W 035MT11W 035MT12W 035MT13W 035MT18W 035MT14W 035MT15W 035MT19W 035MT20W 035MT21W Stainless Steel 035Z101W 035Z102W 035Z103W 035Z104W 035Z105W 035Z106W 035Z116W 035Z107W 035Z108W 035Z109W 035Z110W 035Z117W 035Z111W 035Z112W 035Z113W 035Z118W 035Z114W 035Z115W 035Z119W 035Z120W 035Z121W Black Zinc- Cobalt 035ZC01W 035ZC02W 035ZC03W 035ZC04W 035ZC05W 035ZC06W 035ZC16W 035ZC07W 035ZC08W 035ZC09W 035ZC10W 035ZC17W 035ZC11W 035ZC12W 035ZC13W 035ZC18W 035ZC14W 035ZC15W 035ZC19W 035ZC20W 035ZC21W 120 Contact Aerospace for more information at Dimensions A Hex. B Dia. In. In

25 2M Backshells and Flange Gaskets 108 Flange Gaskets for 2M801 Receptacles E RAD D DIA. B DIA..032 C TYP A BSC Shell Fluorosilicone Part Number A Bsc. B Dia. C Typ. D Dia. E Rad. Viton Conductive Fluorosilicone 5 108F11 108V11 108X F12 108V12 108X F13 108V13 108X F14 108V14 108X F16 108V16 108X F15 108V15 108X F17 108V17 108X F18 108V18 108X F19 108V19 108X F43 108V43 108X Flange Gaskets for 2M803 Receptacles C MAX.115 DIA. TYP D REF Shell Fluorosilicone Part Number A Bsc. B Dia. C Max. D Ref. Viton A BSC B DIA. Conductive Fluorosilicone 5 108F31 108V31 108X F32 108V32 108X F33 108V33 108X F34 108V34 108X F35 108V35 108X F36 108V36 108X F37 108V37 108X F38 108V38 108X F39 108V39 108X Contact Aerospace for more information at B 121

26 2M Backshells and Flange Gaskets 108 Flange Gaskets for 2M805 Receptacles E RAD D DIA. B DIA..032 C TYP A BSC Part Number A Bsc. B Dia. C Typ. D Dia. E Rad. Shell Fluorosilicone Viton Conductive Fluorosilicone 8 108F20 108V20 108X F21 108V21 108X F22 108V22 108X F23 108V23 108X F24 108V24 108X F25 108V25 108X F26 108V26 108X F27 108V27 108X F28 108V28 108X Contacts & Tools 122 Contact Aerospace for more information at

27 2M Backshells and O-Rings 109 O-Rings 2M801 am Nut Receptacles Shell Fluorosilicone Part Number Inside Dia. Cross-Section EPDM Conductive Silicone Cho-Seal 1285 Conductive Fluoro- Silicone Cho-Seal F E M801-05B M801-05C F E M801-06B M801-06C F E M801-07B M801-07C F E M801-08B M801-08C F E M801-09B M801-09C F E M801-10B M801-10C F E M801-13B M801-13C F E M801-16B M801-16C F E M801-17B M801-17C F E M801-21B M801-21C CROSS STION INSIDE DIA. O-Rings 2M804 Rear Mount am Nut Receptacles Shell Fluorosilicone EPDM Part Number Inside Diameter Cross Section Conductive Silicone Cho-Seal 1285 Conductive Fluorosilicone Cho-Seal F E M804-05B M804-05C F E M804-06B M804-06C F E M804-07B M804-07C F E M804-08B M804-08C F E M804-09B M804-09C F E M804-10B M804-10C F E M804-12B M804-12C F E M804-14B M804-14C F E M804-15B M804-15C O-Rings 2M805 am Nut Receptacles Shell Fluorosilicone EPDM Part Number Inside Diameter Cross Section Conductive Silicone Cho-Seal 1285 Conductive Fluorosilicone Cho-Seal F E M805-08B M805-08C F E M805-09B M805-09C F E M805-10B M805-10C F E M805-11B M805-11C F E M805-12B M805-12C F E M805-15B M805-15C F E M805-18B M805-18C F E M805-19B M805-19C F E M805-23B M805-23C Contact Aerospace for more information at B 123