Connectors – Mouser United Kingdom

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Backshell Clamps

Amphenol PCD Backshell Clamps help to tidy up the cable after termination and provide strain relief at the termination area. The clamps are offered in environmental and non-environmental options, as well as EMI/RFI. The components are available in black zinc nickel, adding to the existing finishes in olive drab gray cadmium, tin, or nickel with a variety of shell sizes 11 through 48. Amphenol PCD Backshell Clamps meet MIL-DTL-38999, MIL-DTL-26482 Series II, MIL-DTL-83723 Series I and II, MIL-DTL-24308, and MIL-DTL-83513.

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Part #

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

M85049/2125N05
Amphenol PCD
1: £39.64
1In Stock
25Expected 18/05/2026

Mfr. Part No.
M85049/2125N05

Mouser Part No
523-85049/2125N05

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

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Datasheet

1In Stock

25Expected 18/05/2026

£39.64

£33.85

£32.55

£31.45

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

M85049/2125N06A
Amphenol PCD
1: £41.47
16In Stock

Mfr. Part No.
M85049/2125N06A

Mouser Part No
523-85049/2125N06A

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

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Datasheet

16In Stock

£41.47

£35.96

£34.57

£33.42

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

M85049/2125N08A
Amphenol PCD
1: £43.95
13In Stock

Mfr. Part No.
M85049/2125N08A

Mouser Part No
523-85049/2125N08A

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

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Datasheet

13In Stock

£43.95

£38.11

£34.81

£33.76

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

M85049/2125N10
Amphenol PCD
1: £44.89
19In Stock

Mfr. Part No.
M85049/2125N10

Mouser Part No
523-85049/2125N10

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

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Datasheet

19In Stock

£44.89

£38.16

£35.77

£34.06

£32.43

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

M85049/2125N10A
Amphenol PCD
1: £46.65
28In Stock

Mfr. Part No.
M85049/2125N10A

Mouser Part No
523-85049/2125N10A

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 25

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Datasheet

28In Stock

£46.65

£40.46

£38.90

£36.76

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells 21 Backshell Non Env

M85049/219N01
Amphenol PCD
1: £32.33
8In Stock
25Expected 30/04/2026

Mfr. Part No.
M85049/219N01

Mouser Part No
523-85049/219N01

Amphenol PCD

Circular MIL Spec Backshells 21 Backshell Non Env

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Datasheet

8In Stock

25Expected 30/04/2026

£32.33

£28.58

£27.05

£25.06

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells 21 Backshell Non Env

M85049/219N02
Amphenol PCD
1: £30.27
18In Stock

Mfr. Part No.
M85049/219N02

Mouser Part No
523-85049/219N02

Amphenol PCD

Circular MIL Spec Backshells 21 Backshell Non Env

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Datasheet

18In Stock

£30.27

£25.73

£24.11

£22.96

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI 45 DEG NIC

M85049/23-7N
Amphenol PCD
1: £29.38
17In Stock

Mfr. Part No.
M85049/23-7N

Mouser Part No
523-85049/23-7N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI 45 DEG NIC

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Datasheet

17In Stock

£29.38

£28.84

£26.07

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI R/A NIC

M85049/24-17N
Amphenol PCD
1: £36.91
2In Stock

Mfr. Part No.
M85049/24-17N

Mouser Part No
523-85049/24-17N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI R/A NIC

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Datasheet

2In Stock

£36.91

£31.52

£30.31

£29.30

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI R/A NIC

M85049/24-19N
Amphenol PCD
1: £39.37
1In Stock
25Expected 28/05/2026

Mfr. Part No.
M85049/24-19N

Mouser Part No
523-85049/24-19N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI R/A NIC

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Datasheet

1In Stock

25Expected 28/05/2026

£39.37

£33.62

£31.04

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI R/A NIC

M85049/24-6N
Amphenol PCD
1: £30.71
7In Stock

Mfr. Part No.
M85049/24-6N

Mouser Part No
523-85049/24-6N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI R/A NIC

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Datasheet

7In Stock

£30.71

£26.11

£24.47

£23.30

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

M85049/25-116N
Amphenol PCD
1: £49.53
4In Stock
75On Order

Mfr. Part No.
M85049/25-116N

Mouser Part No
523-85049/25-116N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

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Datasheet

4In Stock

75On Order

£49.53

£46.17

£46.16

£45.30

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

M85049/25-11N
Amphenol PCD
1: £66.02
17In Stock

Mfr. Part No.
M85049/25-11N

Mouser Part No
523-85049/25-11N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

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Datasheet

17In Stock

£66.02

£60.20

£57.89

£55.96

£52.87

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

M85049/25-13N
Amphenol PCD
1: £49.09
5In Stock
25Expected 23/03/2026

Mfr. Part No.
M85049/25-13N

Mouser Part No
523-85049/25-13N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

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Datasheet

5In Stock

25Expected 23/03/2026

£49.09

£40.00

£38.53

£37.75

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

M85049/25-17N
Amphenol PCD
1: £56.61
14In Stock

Mfr. Part No.
M85049/25-17N

Mouser Part No
523-85049/25-17N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

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Datasheet

14In Stock

£56.61

£50.97

£43.01

£40.87

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

M85049/25-18N
Amphenol PCD
1: £47.61
12In Stock

Mfr. Part No.
M85049/25-18N

Mouser Part No
523-85049/25-18N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

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Datasheet

12In Stock

£47.61

£43.47

£37.01

£36.29

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

M85049/25-23N
Amphenol PCD
1: £74.23
12In Stock

Mfr. Part No.
M85049/25-23N

Mouser Part No
523-85049/25-23N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

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Datasheet

12In Stock

£74.23

£63.10

£59.15

£56.33

£56.14

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

M85049/25-31N
Amphenol PCD
1: £55.37
24In Stock

Mfr. Part No.
M85049/25-31N

Mouser Part No
523-85049/25-31N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

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Datasheet

24In Stock

£55.37

£50.12

£49.48

£46.49

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 16

M85049/26-1-16N
Amphenol PCD
1: £15.60
17In Stock

Mfr. Part No.
M85049/26-1-16N

Mouser Part No
523-85049/26-1-16N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 16

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Datasheet

17In Stock

£15.60

£13.52

£12.82

£12.63

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 1

M85049/26-1-18N
Amphenol PCD
1: £15.10
1In Stock

Mfr. Part No.
M85049/26-1-18N

Mouser Part No
523-85049/26-1-18N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 1

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Datasheet

1In Stock

£15.10

£12.84

£12.04

£11.46

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 2

M85049/26-1-20N
Amphenol PCD
1: £12.68
21In Stock

Mfr. Part No.
M85049/26-1-20N

Mouser Part No
523-85049/26-1-20N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 2

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Datasheet

21In Stock

£12.68

£12.21

£12.20

£11.92

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 2

M85049/26-1-22N
Amphenol PCD
1: £16.44
23In Stock

Mfr. Part No.
M85049/26-1-22N

Mouser Part No
523-85049/26-1-22N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 2

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Datasheet

23In Stock

£16.44

£13.97

£13.10

£12.47

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 24

M85049/26-1-24N
Amphenol PCD
1: £17.35
24In Stock

Mfr. Part No.
M85049/26-1-24N

Mouser Part No
523-85049/26-1-24N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CRIMP RING ADAPTER ST NIC SZ 24

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Datasheet

24In Stock

£17.35

£14.74

£13.28

£13.01

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 26 Backshell Crmp Rng

M85049/26-2-12
Amphenol PCD
1: £8.22
4In Stock

Mfr. Part No.
M85049/26-2-12

Mouser Part No
523-85049/26-2-12

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 26 Backshell Crmp Rng

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Datasheet

4In Stock

£8.22

£7.54

£7.29

£6.43

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NICKEL SZ 10

M85049/27-10N
Amphenol PCD
1: £9.59
2In Stock
25Expected 23/03/2026

Mfr. Part No.
M85049/27-10N

Mouser Part No
523-85049/27-10N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NICKEL SZ 10

Learn More

Datasheet

2In Stock

25Expected 23/03/2026

£9.59

£8.71

£7.54

£7.21

View

Min.: 1
Mult.: 1

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