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Mil-Spec Backshells and Connector Accessories

Mil-Spec backshells and connector accessories are specialized components that are designed to provide mechanical and electrical protection for electrical connectors used in military and aerospace applications. These components are built to meet specific standards set by the United States Department of Defense, known as MIL-SPEC, which govern the design and manufacturing of military-grade equipment.

Backshells are used to provide strain relief and environmental protection for electrical connectors. They are typically made of metal or plastic and are designed to fit over the back of the connector, providing a secure attachment point for the cable or wiring. Backshells can also be used to shield the connector from electromagnetic interference and provide protection against dust, moisture, and other environmental hazards.

Connector accessories are used to enhance the functionality and performance of electrical connectors. They include items such as adapter plates, connector covers, and dust caps, which are used to protect connectors when they are not in use. Connector accessories can also be used to provide a secure connection between different types of connectors or to increase the current-carrying capacity of the connector.

Mil-Spec backshells and connector accessories are designed to meet the rigorous requirements of military and aerospace applications. They are built to withstand harsh environmental conditions, including extreme temperatures, shock, vibration, and exposure to chemicals and moisture. These components are also designed to provide a high level of electrical performance, including low resistance, high insulation, and high reliability.

Mil-Spec Backshells and Connector Accessories

Available Parts 939

Part# Info Specs
Part RoHS Manufacturer Description Additional Features Alternate Contact Functions Alternate Contact Sources Alternate Contacts Approvals (V) Assembly Item Name Associated Backshell Military - Specifications Associated Military - Specifications Backshell Clamping Maximum Cable Entry Minimum Cable Entry Cable Types Connector Accessory Type Contact Design Contact Gender Contact Style Contact Type Cross Section Area DIN Conformity Design Finish Thickness IEC Conformity Insertion Tool Sources Insertion Tools MIL Conformity Manufacturer Series Material Mating Contacts MIL-Connector Accessory MIL-Connector Accessory Name Mounting Option-1 Mounting Option-2 Mounting Style National Stock Number (NSN) Maximum Operating Temperature Minimum Operating Temperature Rated Current Rated Voltage Rated DC Voltage Removal Tool Sources Removal Tools Shell Sizes Shielding Terminal Type Tool Settings Usage Wire Gauge (AWG) Maximum Wire Size Minimum Wire Size
M85049/118S18S by Glenair

M85049/118S18S

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; IEC Conformity: NO; DIN Conformity: NO; MIL-Connector Accessory Name: STRAIN RELIEF; Shell Sizes: 27; 18;

MIL-DTL-26482 SERIES II, MIL-DTL-83723 SERIES I, II

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

27; 18

M85049/118S22S by Glenair

M85049/118S22S

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; Material: STAINLESS STEEL; DIN Conformity: NO; MIL Conformity: YES; MIL-Connector Accessory Name: STRAIN RELIEF;

MIL-DTL-26482 SERIES II, MIL-DTL-83723 SERIES I, II

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

24; 22

M85049/118S28S by Glenair

M85049/118S28S

Glenair

CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-26482 SERIES II, MIL-DTL-83723 SERIES I, II; Shell Sizes: 28; IEC Conformity: NO; DIN Conformity: NO; Material: STAINLESS STEEL;

MIL-DTL-26482 SERIES II, MIL-DTL-83723 SERIES I, II

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

28

667-261-M-N8 by Glenair

667-261-M-N8

Glenair

Glenair's 667-261-M-N8 is a Mil-Spec backshell with Shell Size 8, MIL-DTL-38999 compliant. Made of Aluminum Alloy, it operates b/w -65°C to 200°C. Ideal for military connectors, specifically as a cover item accessory.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINIUM ALLOY

COVER ITEM

200 Cel

-65 Cel

8

667-262-NF-S1502-6 by Glenair

667-262-NF-S1502-6

Glenair

Glenair's 667-262-NF-S1502-6 backshell is MIL-DTL-38999 compliant, made of aluminum alloy, with shell size 15. It operates b/w -65°C to 175°C and is used as a cover item in military connectors.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINIUM ALLOY

COVER ITEM

175 Cel

-65 Cel

15

667-262-NF-U1502-6 by Glenair

667-262-NF-U1502-6

Glenair

Glenair's 667-262-NF-U1502-6 is a Mil-Spec backshell with Shell Size 15, MIL-DTL-38999 conformity, and Aluminum Alloy material. It operates b/w -65°C to 175°C, making it ideal for military applications requiring durable connector accessories.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINIUM ALLOY

COVER ITEM

175 Cel

-65 Cel

15

667-262-Z1-U1906-6 by Glenair

667-262-Z1-U1906-6

Glenair

Glenair's 667-262-Z1-U1906-6 is a Mil-Spec backshell with shell size 19, MIL-DTL-38999 conformity, and stainless steel material. It can operate b/w -65°C to 200°C and is used as a cover item for military connectors.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

COVER ITEM

200 Cel

-65 Cel

19

667-262-ZNU-U1528-6 by Glenair

667-262-ZNU-U1528-6

Glenair

Glenair's 667-262-ZNU-U1528-6 is a Mil-Spec backshell with Shell Size 15, MIL-DTL-38999 compliance, and Aluminum Alloy material. It operates b/w -65°C to 175°C, ideal for military applications requiring durable connector accessories like COVER ITEM.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINIUM ALLOY

COVER ITEM

175 Cel

-65 Cel

15

MS27506-A-16-2 by ITT Cannon

MS27506-A-16-2

ITT Cannon

CONNECTOR ACCESSORY; Manufacturer Series: MS27506; DIN Conformity: NO; Shell Sizes: 16; IEC Conformity: NO; Associated Backshell Military - Specifications: MIL-DTL-38999;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

MS27506

BACKSHELL

16

MS27506-A-20-2 by ITT Cannon

MS27506-A-20-2

ITT Cannon

CONNECTOR ACCESSORY; MIL Conformity: YES; Manufacturer Series: MS27506; Shell Sizes: 20; MIL-Connector Accessory Name: BACKSHELL; DIN Conformity: NO;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

MS27506

BACKSHELL

20

MS27506-A-22-2 by ITT Cannon

MS27506-A-22-2

ITT Cannon

CONNECTOR ACCESSORY; Manufacturer Series: MS27506; DIN Conformity: NO; Associated Backshell Military - Specifications: MIL-DTL-38999; IEC Conformity: NO; MIL-Connector Accessory Name: BACKSHELL;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

MS27506

BACKSHELL

22

MS27506-B-24-2 by ITT Cannon

MS27506-B-24-2

ITT Cannon

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BACKSHELL; IEC Conformity: NO; Manufacturer Series: MS27506; MIL Conformity: YES; Associated Backshell Military - Specifications: MIL-DTL-38999;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

MS27506

BACKSHELL

24

MS27506-F-18-2 by ITT Cannon

MS27506-F-18-2

ITT Cannon

CONNECTOR ACCESSORY; DIN Conformity: NO; MIL Conformity: YES; Shell Sizes: 18; Associated Backshell Military - Specifications: MIL-DTL-38999; Manufacturer Series: MS27506;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

MS27506

BACKSHELL

18

MS27506-F-8-2 by ITT Cannon

MS27506-F-8-2

ITT Cannon

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BACKSHELL; Associated Backshell Military - Specifications: MIL-DTL-38999; Shell Sizes: 8; DIN Conformity: NO; IEC Conformity: NO;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

MS27506

BACKSHELL

8

MS27510A12CN by Glenair

MS27510A12CN

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; DIN Conformity: NO; Associated Military - Specifications: MIL-DTL-38999; MIL Conformity: YES; Shell Sizes: 12;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

COVER ITEM

12

MS27511A16A by Glenair

MS27511A16A

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; Shell Sizes: 16; MIL-Connector Accessory Name: COVER ITEM; IEC Conformity: NO; Associated Military - Specifications: MIL-DTL-38999;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

COVER ITEM

16

MS27511A8CL by Glenair

MS27511A8CL

Glenair

CONNECTOR ACCESSORY; Shell Sizes: 8; DIN Conformity: NO; IEC Conformity: NO; Associated Military - Specifications: MIL-DTL-38999; MIL Conformity: YES;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

COVER ITEM

8

MS27741-9 by Glenair

MS27741-9

Glenair

CONNECTOR ACCESSORY; Manufacturer Series: MS27741;

CONNECTOR ACCESSORY

MS27741

MS3186A-102W by Glenair

MS3186A-102W

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; MIL-Connector Accessory Name: NUT ITEM; Associated Military - Specifications: MIL-DTL-26482; MIL-DTL-83723; IEC Conformity: NO; Material: ALUMINUM;

MIL-DTL-26482; MIL-DTL-83723

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

NUT ITEM

8

MS3186A-108W by Glenair

MS3186A-108W

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: NUT ITEM; Associated Military - Specifications: MIL-DTL-38999; MIL-DTL-27599; DIN Conformity: NO; IEC Conformity: NO; MIL Conformity: YES;

MIL-DTL-38999; MIL-DTL-27599

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

NUT ITEM

11

MS3420-40A by Glenair

MS3420-40A

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BUSHING; IEC Conformity: NO; MIL Conformity: YES; Material: NEOPRENE; DIN Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

NEOPRENE

BUSHING

40

MS3420-40 by Glenair

MS3420-40

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BUSHING; Shell Sizes: 40; MIL Conformity: YES; IEC Conformity: NO; DIN Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

BUSHING

40

360HW014XO1312 by Glenair

360HW014XO1312

Glenair

CONNECTOR ACCESSORY;

CONNECTOR ACCESSORY

780-001-14G12-WS by Glenair

780-001-14G12-WS

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; MIL-Connector Accessory Name: COVER ITEM; Material: RUBBER; MIL Conformity: YES; DIN Conformity: NO;

MIL-C-38999, MIL-C-26482, MIL-DTL-5015, MIL-DTL-83723, MIL-C-81511, MIL-C-28840

CONNECTOR ACCESSORY

NO

NO

YES

RUBBER

COVER ITEM

M85049/124-25S by Glenair

M85049/124-25S

Glenair

CONNECTOR ACCESSORY; Shell Sizes: J; IEC Conformity: NO; Material: STAINLESS STEEL; DIN Conformity: NO; Associated Military - Specifications: MIL-DTL-38999;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

J

M85049/124N25W by Glenair

M85049/124N25W

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; Shell Sizes: J; Material: ALUMINUM ALLOY; MIL-Connector Accessory Name: STRAIN RELIEF; Associated Military - Specifications: MIL-DTL-38999;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

STRAIN RELIEF

J

M85049/124S11S by Glenair

M85049/124S11S

Glenair

CONNECTOR ACCESSORY; Shell Sizes: B; Associated Military - Specifications: MIL-DTL-38999; Material: STAINLESS STEEL; DIN Conformity: NO; MIL-Connector Accessory Name: STRAIN RELIEF;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

B

M85049/124S13S by Glenair

M85049/124S13S

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; IEC Conformity: NO; Associated Military - Specifications: MIL-DTL-38999; Material: STAINLESS STEEL; Shell Sizes: C;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

C

M85049/124S15S by Glenair

M85049/124S15S

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: STRAIN RELIEF; DIN Conformity: NO; Associated Military - Specifications: MIL-DTL-38999; Material: STAINLESS STEEL; Shell Sizes: D;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

D

M85049/124S17S by Glenair

M85049/124S17S

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; IEC Conformity: NO; Material: STAINLESS STEEL; MIL-Connector Accessory Name: STRAIN RELIEF; DIN Conformity: NO;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

E

M85049/124S19S by Glenair

M85049/124S19S

Glenair

CONNECTOR ACCESSORY; Shell Sizes: F; MIL-Connector Accessory Name: STRAIN RELIEF; DIN Conformity: NO; IEC Conformity: NO; Associated Military - Specifications: MIL-DTL-38999;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

F

M85049/124S21S by Glenair

M85049/124S21S

Glenair

CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-38999; IEC Conformity: NO; MIL Conformity: YES; Shell Sizes: G; MIL-Connector Accessory Name: STRAIN RELIEF;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

G

M85049/124S23S by Glenair

M85049/124S23S

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; MIL-Connector Accessory Name: STRAIN RELIEF; Shell Sizes: H; MIL Conformity: YES; IEC Conformity: NO;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

H

M85049/126S09S by Glenair

M85049/126S09S

Glenair

Glenair M85049/126S09S is a Mil-Spec backshell with shell size 9, MIL-DTL-38999 compatibility, and stainless steel construction. It offers strain relief for military connectors, operating b/w -65°C to 200°C. Ideal for rugged applications in defense and aerospace industries.

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

200 Cel

-65 Cel

9

M85049/126S11S by Glenair

M85049/126S11S

Glenair

Glenair's M85049/126S11S is a Mil-Spec backshell with shell size 11, MIL-DTL-38999 Series III, IV conformity. Made of stainless steel, it offers strain relief and operates b/w -65°C to 200°C. Ideal for military connectors in harsh environments.

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

200 Cel

-65 Cel

11

M85049/126S13S by Glenair

M85049/126S13S

Glenair

CONNECTOR ACCESSORY; Material: STAINLESS STEEL; IEC Conformity: NO; Shell Sizes: 13; MIL Conformity: YES; MIL-Connector Accessory Name: STRAIN RELIEF;

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

200 Cel

-65 Cel

13

M85049/126S17S by Glenair

M85049/126S17S

Glenair

CONNECTOR ACCESSORY; Maximum Operating Temperature: 200 Cel; IEC Conformity: NO; Material: STAINLESS STEEL; Minimum Operating Temperature: -65 Cel; DIN Conformity: NO;

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

200 Cel

-65 Cel

17

M85049/126S19S by Glenair

M85049/126S19S

Glenair

Glenair M85049/126S19S is a Mil-Spec backshell with shell size 19, MIL-DTL-38999 compatibility, and stainless steel construction. It offers strain relief for military connectors, operating from -65°C to 200°C. Ideal for rugged applications requiring reliable performance in extreme temperatures.

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

200 Cel

-65 Cel

19

M85049/103-19N by Glenair

M85049/103-19N

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; Shell Sizes: 19; MIL Conformity: YES; DIN Conformity: NO; MIL-Connector Accessory Name: BOOT ADAPTER;

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

BRASS

BOOT ADAPTER

19

M85049/103-19 by Glenair

M85049/103-19

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999 SERIES III, IV; MIL-Connector Accessory Name: BOOT ADAPTER; DIN Conformity: NO; Shell Sizes: 19;

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

BRASS

BOOT ADAPTER

19

M85049/103-23 by Glenair

M85049/103-23

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; Shell Sizes: 23; MIL-Connector Accessory Name: BOOT ADAPTER; Associated Military - Specifications: MIL-DTL-38999 SERIES III, IV; DIN Conformity: NO;

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

BRASS

BOOT ADAPTER

23

M85049/104-09 by Glenair

M85049/104-09

Glenair

CONNECTOR ACCESSORY; Material: BRASS; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999 SERIES III, IV; IEC Conformity: NO; DIN Conformity: NO;

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

BRASS

BOOT ADAPTER

9

M85049/105-11 by Glenair

M85049/105-11

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; MIL Conformity: YES; MIL-Connector Accessory Name: BOOT ADAPTER; Material: BRASS; Associated Military - Specifications: MIL-DTL-38999 SERIES III, IV;

MIL-DTL-38999 SERIES III, IV

CONNECTOR ACCESSORY

NO

NO

YES

BRASS

BOOT ADAPTER

11

M85049/79-09W02 by Glenair

M85049/79-09W02

Glenair

Glenair's M85049/79-09W02 backshell is MIL-spec compliant, made of aluminum alloy, with shell size 09. It operates b/w -65°C to 175°C and is compatible with MIL-DTL-38999 Series III & IV connectors. Ideal for military applications requiring durable connector accessories.

MIL-DTL-38999 SERIES III & IV

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

175 Cel

-65 Cel

09

M85049/82N14N02 by Glenair

M85049/82N14N02

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BACKSHELL; MIL Conformity: YES; IEC Conformity: NO; Backshell Clamping: BAND; Shell Sizes: 14;

MIL-DTL-26482, MIL-DTL-83723

BAND

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

14

M85049/88N9W03 by Glenair

M85049/88N9W03

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; IEC Conformity: NO; Associated Backshell Military - Specifications: MIL-DTL-38999; Material: ALUMINUM; Shell Sizes: 9;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

BACKSHELL

9

M85049/94-10-A by Glenair

M85049/94-10-A

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: FLANGE ITEM; IEC Conformity: NO; DIN Conformity: NO; Shell Sizes: 10; MIL Conformity: YES;

CONNECTOR ACCESSORY

NO

NO

YES

FLANGE ITEM

10

557-107M2-06B by Glenair

557-107M2-06B

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BACKSHELL; Shell Sizes: 2; MIL Conformity: YES; Material: ALUMINUM; Associated Backshell Military - Specifications: MIL-DTL-24308;

MIL-DTL-24308

CONNECTOR ACCESSORY

NO

NO

YES

557-107

ALUMINUM

BACKSHELL

2