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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
440HS030NF2105-4 by Glenair

440HS030NF2105-4

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; Manufacturer Series: 440-030; Material: ALUMINUM ALLOY; IEC Conformity: NO; MIL-Connector Accessory Name: SHRINK BOOT ADAPTER;

CONNECTOR ACCESSORY

NO

NO

YES

440-030

ALUMINUM ALLOY

SHRINK BOOT ADAPTER

21

440HS030NF2108-4 by Glenair

440HS030NF2108-4

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; Shell Sizes: 21; MIL Conformity: YES; Material: ALUMINUM ALLOY; DIN Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

SHRINK BOOT ADAPTER

21

440HS030NF2305-3 by Glenair

440HS030NF2305-3

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; DIN Conformity: NO; Manufacturer Series: 440-030; Material: ALUMINUM ALLOY; Shell Sizes: 23;

CONNECTOR ACCESSORY

NO

NO

YES

440-030

ALUMINUM ALLOY

SHRINK BOOT ADAPTER

23

440HS030NF2509-4 by Glenair

440HS030NF2509-4

Glenair

CONNECTOR ACCESSORY; Manufacturer Series: 440-030; Shell Sizes: 25; DIN Conformity: NO; Material: ALUMINUM ALLOY; MIL Conformity: YES;

CONNECTOR ACCESSORY

NO

NO

YES

440-030

ALUMINUM ALLOY

SHRINK BOOT ADAPTER

25

360AA001B2416A by Glenair

360AA001B2416A

Glenair

CONNECTOR ACCESSORY; Shell Sizes: 24; DIN Conformity: NO; IEC Conformity: NO; MIL-Connector Accessory Name: BACKSHELL; Manufacturer Series: 360-001;

CONNECTOR ACCESSORY

NO

NO

YES

360-001

ALUMINUM ALLOY

BACKSHELL

24

360AS001M1406A3 by Glenair

360AS001M1406A3

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; DIN Conformity: NO; Material: ALUMINUM ALLOY; IEC Conformity: NO; Shell Sizes: 14;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

14

360FS001M1612H6 by Glenair

360FS001M1612H6

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BACKSHELL; MIL Conformity: YES; Shell Sizes: 16; Manufacturer Series: 360-001; IEC Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

360-001

ALUMINUM ALLOY

BACKSHELL

16

360HS001Z12510H4 by Glenair

360HS001Z12510H4

Glenair

CONNECTOR ACCESSORY; Shell Sizes: 25; IEC Conformity: NO; MIL Conformity: YES; Material: STAINLESS STEEL; MIL-Connector Accessory Name: BACKSHELL;

CONNECTOR ACCESSORY

NO

NO

YES

360-001

STAINLESS STEEL

BACKSHELL

25

370HS003NF1704C4 by Glenair

370HS003NF1704C4

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

370-003

ALUMINUM ALLOY

BACKSHELL

17

370HS003NF2104C3 by Glenair

370HS003NF2104C3

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BACKSHELL; DIN Conformity: NO; Shell Sizes: 21; IEC Conformity: NO; Material: ALUMINUM ALLOY;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

21

380FS003M2216M3 by Glenair

380FS003M2216M3

Glenair

CONNECTOR ACCESSORY; Manufacturer Series: 380-003; MIL-Connector Accessory Name: BACKSHELL; IEC Conformity: NO; MIL Conformity: YES; Shell Sizes: 22;

CONNECTOR ACCESSORY

NO

NO

YES

380-003

ALUMINUM ALLOY

BACKSHELL

22

380HS003M2112A3 by Glenair

380HS003M2112A3

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; DIN Conformity: NO; Shell Sizes: 21; Material: ALUMINUM ALLOY; MIL-Connector Accessory Name: BACKSHELL;

CONNECTOR ACCESSORY

NO

NO

YES

380-003

ALUMINUM ALLOY

BACKSHELL

21

380HS003M2516M3 by Glenair

380HS003M2516M3

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

380-003

ALUMINUM ALLOY

BACKSHELL

25

380HS003N1712M3 by Glenair

380HS003N1712M3

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; Material: ALUMINUM ALLOY; Shell Sizes: 17; DIN Conformity: NO; MIL-Connector Accessory Name: BACKSHELL;

CONNECTOR ACCESSORY

NO

NO

YES

380-003

ALUMINUM ALLOY

BACKSHELL

17

N/MS25043-20D by Japan Aviation Electronics Industry

N/MS25043-20D

Japan Aviation Electronics Industry

CONNECTOR ACCESSORY; MIL Conformity: YES; IEC Conformity: NO; Material: ALUMINUM ALLOY; Shell Sizes: 20; DIN Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

N/MS

ALUMINUM ALLOY

CAP ITEM

20

N/MS3420-6 by Japan Aviation Electronics Industry

N/MS3420-6

Japan Aviation Electronics Industry

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

CONNECTOR ACCESSORY

NO

NO

YES

SYNTHETIC RUBBER

BUSHING

M85528/2-25A01 by Glenair

M85528/2-25A01

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

FLANGE ITEM

25

CTJ120E01B-513 by TE Connectivity

CTJ120E01B-513

TE Connectivity

TE Connectivity's CTJ120E01B-513 is a Mil-Spec backshell with MIL-T-81714 conformity. It operates b/w -65°C to 200°C, accommodating up to 0 AWG wire size. Ideal for military applications requiring robust connector accessories.

MIL-T-81714

CONNECTOR ACCESSORY

NO

NO

YES

INSERT ITEM

200 Cel

-65 Cel

0

0 AWG

CTJ120E02C-513 by TE Connectivity

CTJ120E02C-513

TE Connectivity

TE Connectivity's CTJ120E02C-513 is a MIL-Spec backshell with -65 to 200°C operating range. Compliant with MIL-T-81714, it supports up to 0 AWG wire size. Ideal for military applications requiring rugged connectors and accessories.

MIL-T-81714

CONNECTOR ACCESSORY

NO

NO

YES

INSERT ITEM

200 Cel

-65 Cel

0

0 AWG

762001-000 by TE Connectivity

762001-000

TE Connectivity

TE Connectivity's 762001-000 is a Mil-Spec Backshell with 0.438" min cable entry, 0.7" max cable entry, and 0 AWG wire size. Made of steel, it operates b/w -65°C to 200°C. Ideal for military and aerospace applications.

.7 inch

.438 inch

CONNECTOR ACCESSORY

STEEL

200 Cel

-65 Cel

0

0 AWG

97-3055-18-8 by Amphenol

97-3055-18-8

Amphenol

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

MIL-DTL-5015

CIRCULAR CONN ACCESSORY

NO

NO

YES

BUSHING

18

97-3057-1007(689) by Amphenol

97-3057-1007(689)

Amphenol

CIRCULAR CONN ACCESSORY; DIN Conformity: NO; Associated Military - Specifications: MIL-DTL-5015; MIL-Connector Accessory Name: CLAMPING ITEM; Shell Sizes: 12SL, 14, 14S; IEC Conformity: NO;

MIL-DTL-5015

CIRCULAR CONN ACCESSORY

NO

NO

YES

CLAMPING ITEM

12SL, 14, 14S

97-3057-1010(621) by Amphenol

97-3057-1010(621)

Amphenol

Amphenol 97-3057-1010(621) is a Mil-Spec backshell with shell size 18, MIL conformity, and zinc alloy material. It can operate b/w -55°C to 125°C and is used as a clamping item in military connectors for secure connections.

CONNECTOR ACCESSORY

NO

NO

YES

ZINC ALLOY

CLAMPING ITEM

125 Cel

-55 Cel

18

440HJ030NF0902 by Glenair

440HJ030NF0902

Glenair

440HJ030NF0902 by Glenair is a Mil-Spec Backshell with Shell Size 9, MIL Conformity, and Aluminum Alloy material. It operates b/w -65°C to 175°C, meeting SAE-AMS-QQ-P-416 standards. Ideal for military applications requiring durable connector accessories.

SAE-AMS-QQ-P-416 TYPE II CLASS 2

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINIUM ALLOY

BOOT ADAPTER

175 Cel

-65 Cel

9

390HS011NF1305L3 by Glenair

390HS011NF1305L3

Glenair

The Glenair 390HS011NF1305L3 backshell is a MIL-Spec accessory with shell size 13, aluminum alloy material, and MIL-DTL-38999 Series III & IV compatibility. It operates b/w -65°C to 175°C, ideal for military connectors in harsh environments.

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

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

175 Cel

-65 Cel

13

TXR41AC00-0804AI by TE Connectivity

TXR41AC00-0804AI

TE Connectivity

TXR41AC00-0804AI by TE Connectivity is a Mil-Spec Backshell and Connector Accessory. It has shell sizes 9; A, MIL-DTL-38999 SERIES I, II conformity, and can handle wire sizes up to 0 AWG. This aluminum alloy backshell is suitable for military applications with operating temperatures ranging from -65°C to 200°C.

MIL-DTL-38999 SERIES I, II

.2 inch

.125 inch

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BACKSHELL

200 Cel

-65 Cel

9; A

0

0 AWG

TXR54AC00-2214AI by TE Connectivity

TXR54AC00-2214AI

TE Connectivity

TE Connectivity's TXR54AC00-2214AI is a Mil-Spec backshell with shell size 22, suitable for cables up to 0.7" in diameter. Made of aluminum alloy, it can withstand temperatures from -65°C to 200°C. Ideal for military and aerospace applications requiring robust cable management solutions.

.7 inch

.438 inch

CONNECTOR ACCESSORY

ALUMINUM ALLOY

200 Cel

-65 Cel

22

0

0 AWG

311AA001NF1003 by Glenair

311AA001NF1003

Glenair

CONNECTOR ACCESSORY; DIN Conformity: NO; IEC Conformity: NO; Material: ALUMINUM ALLOY; MIL-Connector Accessory Name: BOOT ADAPTER; Shell Sizes: 10;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

10

311AS001M2405 by Glenair

311AS001M2405

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

24

311FS001NF1003 by Glenair

311FS001NF1003

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BOOT ADAPTER; DIN Conformity: NO; Shell Sizes: 10; IEC Conformity: NO; Material: ALUMINUM ALLOY;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

10

311FS001NF1004 by Glenair

311FS001NF1004

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

10

311FS001NF2405 by Glenair

311FS001NF2405

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

24

311HA001NF2106 by Glenair

311HA001NF2106

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; MIL Conformity: YES; Material: ALUMINUM ALLOY; MIL-Connector Accessory Name: BOOT ADAPTER; Shell Sizes: 21;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

21

311HS001M1103 by Glenair

311HS001M1103

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

11

311HS001M1505 by Glenair

311HS001M1505

Glenair

CONNECTOR ACCESSORY; IEC Conformity: NO; Material: ALUMINUM ALLOY; MIL Conformity: YES; Shell Sizes: 15; DIN Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

15

311HS001NF1505 by Glenair

311HS001NF1505

Glenair

CONNECTOR ACCESSORY; Material: ALUMINUM ALLOY; MIL-Connector Accessory Name: BOOT ADAPTER; Shell Sizes: 15; IEC Conformity: NO; MIL Conformity: YES;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

15

311HS001NF1703 by Glenair

311HS001NF1703

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BOOT ADAPTER; Material: ALUMINUM ALLOY; Shell Sizes: 17; MIL Conformity: YES; DIN Conformity: NO;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

17

311HS001NF1905 by Glenair

311HS001NF1905

Glenair

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

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

19

311HS001NF1907 by Glenair

311HS001NF1907

Glenair

CONNECTOR ACCESSORY; MIL Conformity: YES; DIN Conformity: NO; IEC Conformity: NO; Material: ALUMINUM ALLOY; Shell Sizes: 19;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

19

311HS001NF2104 by Glenair

311HS001NF2104

Glenair

Glenair 311HS001NF2104 is a Mil-Spec backshell with Shell Size 21, MIL Conformity, and Aluminum Alloy material. It has a wide operating temperature range (-65 to 175°C) making it suitable for military connectors. The BOOT ADAPTER accessory enhances connector performance in extreme conditions.

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

175 Cel

-65 Cel

21

311HS001NF2507 by Glenair

311HS001NF2507

Glenair

CONNECTOR ACCESSORY; MIL-Connector Accessory Name: BOOT ADAPTER; Shell Sizes: 25; IEC Conformity: NO; DIN Conformity: NO; Material: ALUMINUM ALLOY;

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM ALLOY

BOOT ADAPTER

25

450HS001B21 by Glenair

450HS001B21

Glenair

The Glenair 450HS001B21 is a Mil-Spec backshell with shell size 21, MIL-DTL-38999 compliant. Made of aluminum, it offers strain relief for military connectors. Operating temperature range: -65°C to 175°C, ideal for rugged environments in defense applications.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

STRAIN RELIEF

175 Cel

-65 Cel

21

450HS001M21 by Glenair

450HS001M21

Glenair

450HS001M21 by Glenair is a Mil-Spec Backshell and Connector Accessory with a shell size of 21. It has MIL conformity and can operate in temperatures ranging from -65°C to 200°C. This aluminum strain relief is commonly used in military connectors.

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

STRAIN RELIEF

200 Cel

-65 Cel

21

450HS001M23 by Glenair

450HS001M23

Glenair

The Glenair 450HS001M23 is a Mil-Spec backshell with shell size 23, MIL conformity, and aluminum material. It offers strain relief for connectors, operates b/w -65°C to 200°C, ideal for military and aerospace applications.

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

STRAIN RELIEF

200 Cel

-65 Cel

23

620HS003NF25 by Glenair

620HS003NF25

Glenair

Glenair 620HS003NF25 is a Mil-Spec backshell with shell size 25, MIL-DTL-38999 compliant. Made of aluminum, it offers strain relief for military connectors. Operating temp range: -65°C to 175°C, ideal for rugged environments in defense applications.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

STRAIN RELIEF

175 Cel

-65 Cel

25

620HS011M09 by Glenair

620HS011M09

Glenair

Glenair's 620HS011M09 backshell is MIL-DTL-38999 compliant, made of aluminum, and fits shell size 9 connectors. It can operate in temperatures ranging from -65°C to 200°C. Ideal for military applications requiring secure clamping accessories.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

CLAMPING ITEM

200 Cel

-65 Cel

9

620HS011M11 by Glenair

620HS011M11

Glenair

Glenair 620HS011M11 is a Mil-Spec backshell with Shell Size 11, MIL-DTL-38999 compliant. Made of aluminum, it operates b/w -65°C to 200°C. Ideal for military connectors, its clamping item design ensures secure connections in extreme conditions.

MIL-DTL-38999

CONNECTOR ACCESSORY

NO

NO

YES

ALUMINUM

CLAMPING ITEM

200 Cel

-65 Cel

11

620HS011M15 by Glenair

620HS011M15

Glenair

Glenair's 620HS011M15 is a Mil-Spec backshell with shell size 15, 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

15