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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
380HC018M1104DA by Glenair

380HC018M1104DA

Glenair

The Glenair 380HC018M1104DA backshell is MIL-Spec compliant, with shell size 11 and made of aluminum alloy. It operates in temperatures ranging from -65°C to 200°C, suitable for MIL-DTL-38999 Series III and IV connectors. Ideal for military applications requiring robust connector accessories.

MIL-DTL-38999 SERIES III, MIL-DTL-38999 SERIES IV

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

11

380HC018M2108DA by Glenair

380HC018M2108DA

Glenair

The Glenair 380HC018M2108DA is a Mil-Spec backshell with shell size 21, MIL-DTL-38999 Series III and IV compatibility. Made of aluminum alloy, it operates b/w -65°C to 200°C. Ideal for military connectors, ensuring reliable performance in extreme temperatures.

MIL-DTL-38999 SERIES III, MIL-DTL-38999 SERIES IV

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

21

311DS002B0802 by Glenair

311DS002B0802

Glenair

CONNECTOR ACCESSORY;

CONNECTOR ACCESSORY

380HC109NF2510DA by Glenair

380HC109NF2510DA

Glenair

380HC109NF2510DA by Glenair is a Mil-Spec Backshell with Shell Size of 25, MIL-DTL-38999 SERIES III & IV compatibility. Made of Aluminum Alloy, it operates b/w -65°C to 175°C. Ideal for military applications requiring rugged connectors in extreme temperature environments.

MIL-DTL-38999 SERIES III, MIL-DTL-38999 SERIES IV

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

175 Cel

-65 Cel

25

390HS009NF2116C6 by Glenair

390HS009NF2116C6

Glenair

390HS009NF2116C6 by Glenair is a Mil-Spec backshell with shell size 21, MIL-DTL-38999 III/IV compatibility. Made of aluminum alloy, it operates b/w -65°C to 175°C. Ideal for military connectors and accessories in extreme temperature environments.

MIL-DTL-38999 SERIES III, MIL-DTL-38999 SERIES IV

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

175 Cel

-65 Cel

21

420AA001B2403 by Glenair

420AA001B2403

Glenair

CONNECTOR ACCESSORY;

CONNECTOR ACCESSORY

M85528/2-24A01A by Glenair

M85528/2-24A01A

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

FLANGE ITEM

24A

M85049/96-22-A by Glenair

M85049/96-22-A

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; MIL Conformity: YES; IEC Conformity: NO; Associated Military - Specifications: MIL-C-88528/3; MIL-Connector Accessory Name: FLANGE ITEM;

MIL-C-88528/3

CONNECTOR ACCESSORY

NO

NO

YES

FLANGE ITEM

319HD001NF1103-6 by Glenair

319HD001NF1103-6

Glenair

CONNECTOR ACCESSORY;

CONNECTOR ACCESSORY

650GS001NF13-3 by Glenair

650GS001NF13-3

Glenair

Glenair's 650GS001NF13-3 is a Mil-Spec Backshell and Connector Accessory with shell size 13. It conforms to MIL-DTL-28840 and has a temperature range of -65°C to 175°C. Made of aluminum, it is commonly used in military applications.

MIL-DTL-28840

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

DUMMY ITEM

175 Cel

-65 Cel

13

660-031NF21S5-01G by Glenair

660-031NF21S5-01G

Glenair

CONNECTOR ACCESSORY;

CONNECTOR ACCESSORY

M85049/6913WD by Amphenol

M85049/6913WD

Amphenol

CIRCULAR CONN ACCESSORY; DIN Conformity: NO; Associated Military - Specifications: MIL-DTL-38999; MIL-Connector Accessory Name: SHRINK BOOT ADAPTER; IEC Conformity: NO; Material: ALUMINUM ALLOY;

MIL-DTL-38999

CIRCULAR CONN ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

SHRINK BOOT ADAPTER

13; C

550E001NF2R3J0L by Glenair

550E001NF2R3J0L

Glenair

The Glenair 550E001NF2R3J0L backshell is a MIL-Spec accessory with shell size of 2, made of aluminum alloy. It conforms to MIL-DTL-24308 standards and operates b/w -65°C to 175°C. Ideal for military connectors, it ensures reliable performance in extreme temperature conditions.

MIL-DTL-24308

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

175 Cel

-65 Cel

2

310AS034B22 by Glenair

310AS034B22

Glenair

The Glenair 310AS034B22 is a Mil-Spec backshell with shell size 22, MIL conformity, and aluminum alloy material. It operates b/w -65°C to 175°C, meeting MIL-DTL-5015, MIL-DTL-26482, and MIL-DTL-83723 standards. Ideal for military connectors like BOOT ADAPTER in harsh environments.

MIL-DTL-5015, MIL-DTL-26482, MIL-DTL-83723

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

175 Cel

-65 Cel

22

310HS001M17 by Glenair

310HS001M17

Glenair

The Glenair 310HS001M17 is a Mil-Spec backshell with shell size 17, MIL-DTL-38999 compliant. Made of aluminum, it operates b/w -65°C to 200°C. Ideal for military connectors, its BOOT ADAPTER enhances connector performance in extreme conditions.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

BOOT ADAPTER

200 Cel

-65 Cel

17

310HS001M25 by Glenair

310HS001M25

Glenair

The Glenair 310HS001M25 is a Mil-Spec backshell with shell size 25, MIL-DTL-38999 conformity, and aluminum material. It can operate in temperatures ranging from -65°C to 200°C. Ideal for military applications requiring durable connector accessories like boot adapters.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

BOOT ADAPTER

200 Cel

-65 Cel

25

330HS001M0904-4 by Glenair

330HS001M0904-4

Glenair

330HS001M0904-4 by Glenair is a Mil-Spec backshell with shell size of 9, MIL-DTL-38999 compatibility, and aluminum material. It operates b/w -65°C to 200°C, making it ideal for military connector applications requiring high temperature resistance.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

BACKSHELL

200 Cel

-65 Cel

9

330BS004B21065A by Glenair

330BS004B21065A

Glenair

330BS004B21065A by Glenair is a Mil-Spec backshell with shell size 21, MIL-DTL-5015 conformity, and aluminum alloy material. It operates b/w -65°C to 175°C, ideal for military connectors.

MIL-DTL-5015

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

175 Cel

-65 Cel

21

330DS004M2407-6 by Glenair

330DS004M2407-6

Glenair

Glenair's 330DS004M2407-6 backshell is a MIL-Spec accessory with shell size 24, aluminum alloy material, and MIL-DTL-26482 conformity. It operates b/w -65°C to 200°C, making it ideal for military connectors in extreme temperature environments.

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

24

310HS001Z113 by Glenair

310HS001Z113

Glenair

The Glenair 310HS001Z113 is a Mil-Spec backshell with shell size 13, MIL-DTL-38999 conformity, and stainless steel material. It can operate b/w -65°C to 200°C and is used as a boot adapter in military connectors.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

BOOT ADAPTER

200 Cel

-65 Cel

13

500-008M3JL by Glenair

500-008M3JL

Glenair

CONNECTOR ACCESSORY;

CONNECTOR ACCESSORY

550-200B1R7B by Glenair

550-200B1R7B

Glenair

The Glenair 550-200B1R7B is a Mil-Spec backshell with MIL-DTL-24308 conformity. Made of aluminum alloy, it has a wide operating temperature range from -65°C to 175°C. Ideal for military connectors, providing durability and reliability in harsh environments.

MIL-DTL-24308

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

175 Cel

-65 Cel

1

320DS002B14-3 by Glenair

320DS002B14-3

Glenair

The Glenair 320DS002B14-3 backshell is a Mil-Spec accessory with shell size 14, MIL-DTL-26482 II and MIL-DTL-83723 III conformity. Made of aluminum alloy, it operates b/w -65°C to 175°C. Ideal for military connectors, ensuring reliable performance in extreme temperatures.

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

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINIUM ALLOY

BACKSHELL

175 Cel

-65 Cel

14

D38999/22CZ by Spacecraft Components

D38999/22CZ

Spacecraft Components

CONNECTOR ACCESSORY; IEC Conformity: NO; Associated Military - Specifications: MIL-DTL-38999; MIL-Connector Accessory Name: DUMMY ITEM; Shell Sizes: 13; Material: ALUMINUM ALLOY;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

DUMMY ITEM

13

D38999/22BZ by Spacecraft Components

D38999/22BZ

Spacecraft Components

CONNECTOR ACCESSORY; Material: ALUMINUM ALLOY; MIL Conformity: YES; DIN Conformity: NO; MIL-Connector Accessory Name: DUMMY ITEM; IEC Conformity: NO;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

DUMMY ITEM

11

M38999/108B by Spacecraft Components

M38999/108B

Spacecraft Components

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

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

DUMMY ITEM

8

M38999/1020B by Spacecraft Components

M38999/1020B

Spacecraft Components

CONNECTOR ACCESSORY; IEC Conformity: NO; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999; DIN Conformity: NO; Material: ALUMINUM;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

DUMMY ITEM

20

D38999/22AZ by Spacecraft Components

D38999/22AZ

Spacecraft Components

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

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

DUMMY ITEM

9

TXR40AB00-2414AI by TE Connectivity

TXR40AB00-2414AI

TE Connectivity

TE Connectivity's TXR40AB00-2414AI backshell, MIL-DTL-38999 SERIES III, IV compatible, features shell sizes 25; J. With MIL conformity and aluminum alloy material, it supports cables up to 0.7 inch with -65 to 175 °C operating temperature range. Ideal for military applications requiring robust wire management solutions.

MIL-DTL-38999 SERIES III, IV

.7 inch

.438 inch

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

175 Cel

-65 Cel

25; J

0

0 AWG

TXR40AC00-1406AI by TE Connectivity

TXR40AC00-1406AI

TE Connectivity

TE Connectivity's TXR40AC00-1406AI is a MIL-Spec backshell with shell size 15D. It conforms to MIL standards, supports wire up to 0 AWG, and has a temp range of -65°C to 200°C. Ideal for MIL-DTL-38999 Series III & IV connectors, it offers cable entry from 0.188" to 0.3".

MIL-DTL-38999 SERIES III, IV

.3 inch

.188 inch

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

15; D

0

0 AWG

TXR40AC00-1606AI by TE Connectivity

TXR40AC00-1606AI

TE Connectivity

TE Connectivity's TXR40AC00-1606AI is a MIL-Spec backshell with shell size 17; E. It conforms to MIL-DTL-38999 SERIES III, IV standards and supports cables up to 0 AWG. With an operating temperature range of -65°C to 200°C, it is ideal for military applications requiring rugged aluminum alloy construction.

MIL-DTL-38999 SERIES III, IV

.3 inch

.188 inch

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

17; E

0

0 AWG

TXR40AC00-1610AI by TE Connectivity

TXR40AC00-1610AI

TE Connectivity

TE Connectivity's TXR40AC00-1610AI is a MIL-Spec backshell with shell size 17; E. It conforms to MIL-DTL-38999 III, IV standards and supports cables up to 0.5" in diameter. With an operating range of -65°C to 200°C, it's ideal for military applications requiring robust aluminum alloy construction.

MIL-DTL-38999 SERIES III, IV

.5 inch

.313 inch

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

17; E

0

0 AWG

TXR40AC00-1814AI by TE Connectivity

TXR40AC00-1814AI

TE Connectivity

TE Connectivity's TXR40AC00-1814AI is a Mil-Spec backshell with shell size 19; F. It conforms to MIL-DTL-38999 SERIES III, IV standards and supports cables up to 0.7" in diameter. Made of aluminum alloy, it operates b/w -65°C to 200°C, ideal for military connectors requiring robust cable management.

MIL-DTL-38999 SERIES III, IV

.7 inch

.438 inch

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

19; F

0

0 AWG

TXR40AC00-2014AI by TE Connectivity

TXR40AC00-2014AI

TE Connectivity

TE Connectivity's TXR40AC00-2014AI backshell fits MIL-DTL-38999 Series III, IV connectors. With shell size 21; G, it accommodates cables up to 0.7" and withstands -65°C to 200°C temperatures. Made of aluminum alloy, it supports up to 0 AWG wires in military applications.

MIL-DTL-38999 SERIES III, IV

.7 inch

.438 inch

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

21; G

0

0 AWG

MS3181-14CL by Spacecraft Components

MS3181-14CL

Spacecraft Components

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: CAP ITEM; Associated Military - Specifications: MIL-DTL-26482; Shell Sizes: 14; IEC Conformity: NO; MIL Conformity: YES;

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

14

MS3181-10CW by Spacecraft Components

MS3181-10CW

Spacecraft Components

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

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

10

MS3181-12CW by Spacecraft Components

MS3181-12CW

Spacecraft Components

CONNECTOR ACCESSORY; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-26482; IEC Conformity: NO; Shell Sizes: 12; MIL-Connector Accessory Name: CAP ITEM;

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

12

MS3180-14CW by Spacecraft Components

MS3180-14CW

Spacecraft Components

CONNECTOR ACCESSORY; IEC Conformity: NO; Associated Military - Specifications: MIL-DTL-26482; MIL Conformity: YES; DIN Conformity: NO; MIL-Connector Accessory Name: CAP ITEM;

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

14

MS3181-24CW by Spacecraft Components

MS3181-24CW

Spacecraft Components

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: CAP ITEM; IEC Conformity: NO; Associated Military - Specifications: MIL-DTL-26482; MIL Conformity: YES; DIN Conformity: NO;

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

24

MS3181-12NW by Spacecraft Components

MS3181-12NW

Spacecraft Components

CONNECTOR ACCESSORY; DIN Conformity: NO; Shell Sizes: 12; Associated Military - Specifications: MIL-DTL-26482; MIL Conformity: YES; MIL-Connector Accessory Name: CAP ITEM;

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

12

MS3180-24CL by Spacecraft Components

MS3180-24CL

Spacecraft Components

CONNECTOR ACCESSORY; IEC Conformity: NO; Shell Sizes: 24; Associated Military - Specifications: MIL-DTL-26482; MIL-Connector Accessory Name: CAP ITEM; MIL Conformity: YES;

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

24

MS3181-14CW by Spacecraft Components

MS3181-14CW

Spacecraft Components

CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-26482; Shell Sizes: 14; IEC Conformity: NO; MIL-Connector Accessory Name: CAP ITEM; MIL Conformity: YES;

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

14

MS3181-22CW by Spacecraft Components

MS3181-22CW

Spacecraft Components

CONNECTOR ACCESSORY; Shell Sizes: 22; Associated Military - Specifications: MIL-DTL-26482; MIL Conformity: YES; MIL-Connector Accessory Name: CAP ITEM; DIN Conformity: NO;

MIL-DTL-26482

CONNECTOR ACCESSORY

NO

NO

YES

CAP ITEM

22

TXR54AC00-1005AI by TE Connectivity

TXR54AC00-1005AI

TE Connectivity

TE Connectivity's TXR54AC00-1005AI is a Mil-Spec backshell with shell size 10, 0.156" min cable entry, and 200°C max operating temp. Ideal for aerospace applications due to its aluminum alloy material, -65°C min operating temp, and compatibility with up to 0 AWG wire size.

.25 inch

.156 inch

CONNECTOR ACCESSORY

ALUMINUM ALLOY

200 Cel

-65 Cel

10

0

0 AWG

TXR54AC00-1407AI by TE Connectivity

TXR54AC00-1407AI

TE Connectivity

TE Connectivity's TXR54AC00-1407AI is a Mil-Spec backshell with 0.219" min cable entry and 0.35" max cable entry. It can withstand temperatures from -65°C to 200°C, suitable for applications requiring durable aluminum alloy construction and accommodating up to 0 AWG wire sizes.

.35 inch

.219 inch

CONNECTOR ACCESSORY

ALUMINUM ALLOY

200 Cel

-65 Cel

0

0 AWG

TXR54AC00-1810AI by TE Connectivity

TXR54AC00-1810AI

TE Connectivity

TE Connectivity's TXR54AC00-1810AI is a Mil-Spec backshell with 0.313" min cable entry and 0.5" max cable entry. It can withstand temperatures from -65°C to 200°C, suitable for applications requiring durable aluminum alloy construction and accommodating up to 0 AWG wire sizes.

.5 inch

.313 inch

CONNECTOR ACCESSORY

ALUMINUM ALLOY

200 Cel

-65 Cel

0

0 AWG

MS27507-B10 by Glenair

MS27507-B10

Glenair

CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-38999; Shell Sizes: 10; 11; MIL Conformity: YES; Material: STAINLESS STEEL; IEC Conformity: NO;

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

STAINLESS STEEL

STRAIN RELIEF

10; 11

MS3057-4C by Glenair

MS3057-4C

Glenair

CONNECTOR ACCESSORY;

CONNECTOR ACCESSORY