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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
289-0032MENN by Glenair

289-0032MENN

Glenair

CONNECTOR ACCESSORY; Shell Sizes: 2; MIL-Connector Accessory Name: COVER ITEM; IEC Conformity: NO; Material: ALUMINUM ALLOY; MIL Conformity: YES;

MIL-DTL-24308

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

COVER ITEM

2

809-200-M-N8 by Glenair

809-200-M-N8

Glenair

Glenair 809-200-M-N8 is a Mil-Spec backshell with Shell Size 8, MIL-DTL-38999 conformity, and Aluminum Alloy material. It operates b/w -65°C to 200°C, ideal for military applications requiring durable connector accessories.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINIUM ALLOY

COVER ITEM

200 Cel

-65 Cel

8

21-033899-8Q1 by Amphenol

21-033899-8Q1

Amphenol

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: SEALING ITEM; IEC Conformity: NO; Manufacturer Series: 21-033899; Associated Military - Specifications: MIL-DTL-38999; DIN Conformity: NO;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

21-033899

SEALING ITEM

557B316M535TB by Glenair

557B316M535TB

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; IEC Conformity: NO; DIN Conformity: NO; MIL-Connector Accessory Name: BACKSHELL; Shell Sizes: 5;

MIL-C-24308

CONNECTOR ACCESSORY

NO

NO

YES

557-316

BACKSHELL

5

97-3055-18-10 by Amphenol

97-3055-18-10

Amphenol

CIRCULAR CONN ACCESSORY; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-5015; DIN Conformity: NO; MIL-Connector Accessory Name: BUSHING; Shell Sizes: 18;

MIL-DTL-5015

CIRCULAR CONN ACCESSORY

NO

NO

YES

BUSHING

18

97-3055-22-8 by Amphenol

97-3055-22-8

Amphenol

CIRCULAR CONN ACCESSORY; Shell Sizes: 20,22; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-5015; MIL-Connector Accessory Name: BUSHING; IEC Conformity: NO;

MIL-DTL-5015

CIRCULAR CONN ACCESSORY

NO

NO

YES

BUSHING

20,22

97-3057-1004(689) by Amphenol

97-3057-1004(689)

Amphenol

CIRCULAR CONN ACCESSORY; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-5015; IEC Conformity: NO; MIL-Connector Accessory Name: CLAMPING ITEM; Shell Sizes: 10SL, 12S;

MIL-DTL-5015

CIRCULAR CONN ACCESSORY

NO

NO

YES

CLAMPING ITEM

10SL, 12S

97-3057-16 by Amphenol

97-3057-16

Amphenol

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: CABLE CLAMP; IEC Conformity: NO; MIL Conformity: YES; DIN Conformity: NO; Material: ZINC ALLOY;

CONNECTOR ACCESSORY

NO

NO

YES

97

ZINC ALLOY

CABLE CLAMP

24, 28

97-3057-8 by Amphenol

97-3057-8

Amphenol

CONNECTOR ACCESSORY; Shell Sizes: 16, 16S; Material: ZINC ALLOY; Manufacturer Series: 97; MIL Conformity: YES; MIL-Connector Accessory Name: CABLE CLAMP;

CONNECTOR ACCESSORY

NO

NO

YES

97

ZINC ALLOY

CABLE CLAMP

16, 16S

M85049/31S8A by Glenair

M85049/31S8A

Glenair

Glenair's M85049/31S8A is a Mil-Spec backshell with shell size 8, MIL-DTL-26482 Series II conformity, and aluminum alloy material. It can operate b/w -65°C to 200°C and is compatible with MIL-DTL-83723 Series I & II connectors. Ideal for military applications requiring durable connector accessories.

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

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

NUT ITEM

200 Cel

-65 Cel

8

G8801-11N by Glenair

G8801-11N

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; Shell Sizes: B; MIL-Connector Accessory Name: STRAIN RELIEF; Material: ALUMINUM ALLOY; DIN Conformity: NO;

MIL-C-38999

CONNECTOR ACCESSORY

NO

NO

YES

G8801

ALUMINUM ALLOY

STRAIN RELIEF

B

CW2894-000 by TE Connectivity

CW2894-000

TE Connectivity

CONNECTOR ACCESSORY; Material: ALUMINUM ALLOY; Maximum Wire Size: 0 AWG; Minimum Operating Temperature: -65 Cel; Shell Sizes: 13; Wire Gauge (AWG): 0;

CONNECTOR ACCESSORY

ALUMINUM ALLOY

175 Cel

-65 Cel

13

0

0 AWG

R85049/88-11W03 by TE Connectivity

R85049/88-11W03

TE Connectivity

CONNECTOR ACCESSORY; Maximum Operating Temperature: 175 Cel; Maximum Wire Size: 0 AWG; Wire Gauge (AWG): 0; Shell Sizes: 11; Minimum Operating Temperature: -65 Cel;

CONNECTOR ACCESSORY

ALUMINUM ALLOY

175 Cel

-65 Cel

11

0

0 AWG

R85049/88-9W03 by TE Connectivity

R85049/88-9W03

TE Connectivity

CONNECTOR ACCESSORY; Shell Sizes: 09; Wire Gauge (AWG): 0; Maximum Operating Temperature: 175 Cel; Material: ALUMINUM ALLOY; Minimum Operating Temperature: -65 Cel;

CONNECTOR ACCESSORY

ALUMINUM ALLOY

175 Cel

-65 Cel

09

0

0 AWG

T3-4008-59P by Amphenol

T3-4008-59P

Amphenol

CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-38999; DIN Conformity: NO; MIL-Connector Accessory Name: SEAL PLUG; IEC Conformity: NO; MIL Conformity: YES;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

SEAL PLUG

620PS076ME24 by Glenair

620PS076ME24

Glenair

Glenair's 620PS076ME24 is a Mil-Spec backshell with shell size 24, MIL-DTL-38999 compliant. Made of aluminum, it can operate b/w -65°C to 200°C. Ideal for military connectors, specifically used as a clamping item in harsh environments.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

CLAMPING ITEM

200 Cel

-65 Cel

24

M85049/39-21S by Glenair

M85049/39-21S

Glenair

CONNECTOR ACCESSORY; Shell Sizes: 21; MIL-Connector Accessory Name: STRAIN RELIEF; Associated Military - Specifications: MIL-DTL-38999; MIL Conformity: YES; IEC Conformity: NO;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STEEL

STRAIN RELIEF

21

M85049/39-25S by Glenair

M85049/39-25S

Glenair

CONNECTOR ACCESSORY; Shell Sizes: 25; Material: STEEL; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999; MIL-Connector Accessory Name: STRAIN RELIEF;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STEEL

STRAIN RELIEF

25

D38999/32K11N by Glenair

D38999/32K11N

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; MIL Conformity: YES; MIL-Connector Accessory Name: COVER ITEM; Associated Military - Specifications: MIL-DTL-38999 SERIES III; Material: STAINLESS STEEL;

MIL-DTL-38999 SERIES III

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

COVER ITEM

11

D38999/32K15N by Glenair

D38999/32K15N

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; Material: STAINLESS STEEL; MIL-Connector Accessory Name: COVER ITEM; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999 SERIES III;

MIL-DTL-38999 SERIES III

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

COVER ITEM

15

D38999/33K15N by Glenair

D38999/33K15N

Glenair

CONNECTOR ACCESSORY; Material: STAINLESS STEEL; MIL-Connector Accessory Name: COVER ITEM; Shell Sizes: 15; Associated Military - Specifications: MIL-DTL-38999 SERIES III; DIN Conformity: NO;

MIL-DTL-38999 SERIES III

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

COVER ITEM

15

D38999/33K17R by Glenair

D38999/33K17R

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; IEC Conformity: NO; Associated Military - Specifications: MIL-DTL-38999 SERIES III; MIL-Connector Accessory Name: COVER ITEM; Material: STAINLESS STEEL;

MIL-DTL-38999 SERIES III

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

COVER ITEM

17

97-3057-1016-1 by Amphenol

97-3057-1016-1

Amphenol

CONNECTOR ACCESSORY; MIL Conformity: YES; Shell Sizes: 24, 28; Material: ZINC ALLOY; DIN Conformity: NO; IEC Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

ZINC ALLOY

CABLE CLAMP

24, 28

M85049/95-10A-A by Glenair

M85049/95-10A-A

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

MOUNTING FLANGE

10

M85049/95-12A-A by Glenair

M85049/95-12A-A

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; MIL-Connector Accessory Name: MOUNTING FLANGE; Shell Sizes: 12; DIN Conformity: NO; IEC Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

MOUNTING FLANGE

12

M85049/95-24B-A by Glenair

M85049/95-24B-A

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; Shell Sizes: 24; DIN Conformity: NO; IEC Conformity: NO; MIL-Connector Accessory Name: MOUNTING FLANGE;

CONNECTOR ACCESSORY

NO

NO

YES

MOUNTING FLANGE

24

M85049/95-25A-A by Glenair

M85049/95-25A-A

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; DIN Conformity: NO; Shell Sizes: 25; MIL-Connector Accessory Name: MOUNTING FLANGE; IEC Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

MOUNTING FLANGE

25

M85049/95-7A-A by Glenair

M85049/95-7A-A

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; Shell Sizes: 7; MIL Conformity: YES; IEC Conformity: NO; MIL-Connector Accessory Name: MOUNTING FLANGE;

CONNECTOR ACCESSORY

NO

NO

YES

MOUNTING FLANGE

7

XG4S-1004 by Omron

XG4S-1004

Omron

CONNECTOR ACCESSORY; DIN Conformity: NO; IEC Conformity: NO; MIL Conformity: YES; Manufacturer Series: XG4; MIL-Connector Accessory Name: STRAIN RELIEF;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-1404 by Omron

XG4S-1404

Omron

CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-C-83503; Manufacturer Series: XG4; IEC Conformity: NO; Material: POLYAMIDE; MIL Conformity: YES;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-1604 by Omron

XG4S-1604

Omron

CONNECTOR ACCESSORY; Manufacturer Series: XG4; IEC Conformity: NO; MIL Conformity: YES; Material: POLYAMIDE; Associated Military - Specifications: MIL-C-83503;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-2004 by Omron

XG4S-2004

Omron

CONNECTOR ACCESSORY; Material: POLYAMIDE; MIL Conformity: YES; DIN Conformity: NO; IEC Conformity: NO; Associated Military - Specifications: MIL-C-83503;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-2604 by Omron

XG4S-2604

Omron

CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-C-83503; Manufacturer Series: XG4; DIN Conformity: NO; MIL-Connector Accessory Name: STRAIN RELIEF; IEC Conformity: NO;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-3004 by Omron

XG4S-3004

Omron

CONNECTOR ACCESSORY; DIN Conformity: NO; Material: POLYAMIDE; Associated Military - Specifications: MIL-C-83503; Manufacturer Series: XG4; MIL Conformity: YES;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-4004 by Omron

XG4S-4004

Omron

CONNECTOR ACCESSORY; Manufacturer Series: XG4; MIL-Connector Accessory Name: STRAIN RELIEF; MIL Conformity: YES; Material: POLYAMIDE; Associated Military - Specifications: MIL-C-83503;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-5004 by Omron

XG4S-5004

Omron

CONNECTOR ACCESSORY; Manufacturer Series: XG4; DIN Conformity: NO; MIL Conformity: YES; Material: POLYAMIDE; Associated Military - Specifications: MIL-C-83503;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-6004 by Omron

XG4S-6004

Omron

CONNECTOR ACCESSORY; IEC Conformity: NO; DIN Conformity: NO; Material: POLYAMIDE; MIL-Connector Accessory Name: STRAIN RELIEF; Associated Military - Specifications: MIL-C-83503;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4S-6404 by Omron

XG4S-6404

Omron

CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-C-83503; IEC Conformity: NO; MIL Conformity: YES; Material: POLYAMIDE; Manufacturer Series: XG4;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

POLYAMIDE

STRAIN RELIEF

XG4T-6004 by Omron

XG4T-6004

Omron

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: STRAIN RELIEF; Manufacturer Series: XG4; Material: GLASS FILLED PBT; MIL Conformity: YES; IEC Conformity: NO;

MIL-C-83503

CONNECTOR ACCESSORY

NO

NO

YES

XG4

GLASS FILLED PBT

STRAIN RELIEF

97-3057-1016 by Amphenol

97-3057-1016

Amphenol

CIRCULAR CONN ACCESSORY; IEC Conformity: NO; Shell Sizes: 24, 28; Associated Military - Specifications: MIL-DTL-5015; MIL Conformity: YES; DIN Conformity: NO;

MIL-DTL-5015

CIRCULAR CONN ACCESSORY

NO

NO

YES

CLAMPING ITEM

24, 28

97-3057-1020 by Amphenol

97-3057-1020

Amphenol

CIRCULAR CONN ACCESSORY; IEC Conformity: NO; MIL-Connector Accessory Name: CLAMPING ITEM; DIN Conformity: NO; Shell Sizes: 32; MIL Conformity: YES;

MIL-DTL-5015

CIRCULAR CONN ACCESSORY

NO

NO

YES

CLAMPING ITEM

32

97-3057-1024 by Amphenol

97-3057-1024

Amphenol

CIRCULAR CONN ACCESSORY; MIL-Connector Accessory Name: CLAMPING ITEM; Associated Military - Specifications: MIL-DTL-5015; IEC Conformity: NO; DIN Conformity: NO; MIL Conformity: YES;

MIL-DTL-5015

CIRCULAR CONN ACCESSORY

NO

NO

YES

CLAMPING ITEM

36

97-3057-12 by Amphenol

97-3057-12

Amphenol

CONNECTOR ACCESSORY; DIN Conformity: NO; Manufacturer Series: 97; IEC Conformity: NO; Material: ZINC ALLOY; MIL Conformity: YES;

CONNECTOR ACCESSORY

NO

NO

YES

97

ZINC ALLOY

CABLE CLAMP

20, 22

9779-513-20 by Amphenol

9779-513-20

Amphenol

CONNECTOR ACCESSORY; MIL Conformity: YES; Maximum Operating Temperature: 125 Cel; DIN Conformity: NO; MIL-Connector Accessory Name: CABLE CLAMP; Material: RUBBER;

CONNECTOR ACCESSORY

NO

NO

YES

RUBBER

CABLE CLAMP

125 Cel

-55 Cel

667-202M7NR by Glenair

667-202M7NR

Glenair

Glenair 667-202M7NR is a Mil-Spec backshell with shell size 7, MIL-DTL-38999 conformity, and aluminum alloy material. It operates b/w -65°C to 200°C, ideal for military connectors like COVER ITEM in harsh environments.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINIUM ALLOY

COVER ITEM

200 Cel

-65 Cel

7

809-035M05W by Glenair

809-035M05W

Glenair

809-035M05W by Glenair is a Mil-Spec backshell with Shell Size 5, MIL-DTL-38999 compliant. Made of aluminum, it has a temp range of -65 to 200°C. Ideal for military connectors, its NUT ITEM accessory ensures secure connections in extreme conditions.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

NUT ITEM

200 Cel

-65 Cel

5

809-035M07W by Glenair

809-035M07W

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; Material: ALUMINUM; Shell Sizes: 7; Minimum Operating Temperature: -65 Cel; Maximum Operating Temperature: 200 Cel;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

NUT ITEM

200 Cel

-65 Cel

7

809-035M23W by Glenair

809-035M23W

Glenair

809-035M23W by Glenair is a Mil-Spec backshell with Shell Size 23, MIL-DTL-38999 compliant. Made of aluminum, it operates b/w -65°C to 200°C. Ideal for military connectors, its NUT ITEM accessory ensures secure connections in extreme conditions.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

NUT ITEM

200 Cel

-65 Cel

23