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 Strain Reliefs & Adapters ST BACKSHELL SZ 11 STRAIN RELIEF NIC

M85049/38-11N
Amphenol PCD
1: £8.00
700In Stock
1,000On Order

Mfr. Part No.
M85049/38-11N

Mouser Part No
523-85049/38-11N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 11 STRAIN RELIEF NIC

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Datasheet

700In Stock

1,000On Order

£8.00

£7.48

£6.61

£6.56

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 13 STRAIN RELIEF NIC

M85049/38-13N
Amphenol PCD
1: £8.42
441In Stock
500Expected 20/04/2026

Mfr. Part No.
M85049/38-13N

Mouser Part No
523-85049/38-13N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 13 STRAIN RELIEF NIC

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Datasheet

441In Stock

500Expected 20/04/2026

£8.42

£7.94

£6.73

£6.48

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 15 STRAIN RELIEF NIC

M85049/38-15N
Amphenol PCD
1: £9.16
860In Stock

Mfr. Part No.
M85049/38-15N

Mouser Part No
523-85049/38-15N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 15 STRAIN RELIEF NIC

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Datasheet

860In Stock

£9.16

£7.79

£7.29

£6.95

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

M85049/38-17N
Amphenol PCD
1: £8.62
608In Stock

Mfr. Part No.
M85049/38-17N

Mouser Part No
523-85049/38-17N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

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Datasheet

608In Stock

£8.62

£7.75

£7.45

£7.18

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 19 STRAIN RELIEF NIC

M85049/38-19N
Amphenol PCD
1: £9.88
244In Stock
200Expected 06/05/2026

Mfr. Part No.
M85049/38-19N

Mouser Part No
523-85049/38-19N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 19 STRAIN RELIEF NIC

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Datasheet

244In Stock

200Expected 06/05/2026

£9.88

£8.85

£8.49

£8.31

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 23 STRAIN RELIEF NICKEL

M85049/38-23N
Amphenol PCD
1: £13.63
176In Stock

Mfr. Part No.
M85049/38-23N

Mouser Part No
523-85049/38-23N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 23 STRAIN RELIEF NICKEL

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Datasheet

176In Stock

£13.63

£11.82

£10.94

£10.23

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 9 STRAIN RELIEF NICKEL

M85049/38-9N
Amphenol PCD
1: £10.05
678In Stock

Mfr. Part No.
M85049/38-9N

Mouser Part No
523-85049/38-9N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 9 STRAIN RELIEF NICKEL

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Datasheet

678In Stock

£10.05

£9.24

£8.88

£7.90

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 11 STRAIN RELIEF NIC

M85049/38S11N
Amphenol PCD
1: £11.46
490In Stock
500Expected 16/03/2026

Mfr. Part No.
M85049/38S11N

Mouser Part No
523-85049/38S11N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 11 STRAIN RELIEF NIC

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Datasheet

490In Stock

500Expected 16/03/2026

£11.46

£10.21

£9.70

£9.36

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 13 STRAIN RELIEF NIC

M85049/38S13N
Amphenol PCD
1: £12.89
1,084In Stock

Mfr. Part No.
M85049/38S13N

Mouser Part No
523-85049/38S13N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 13 STRAIN RELIEF NIC

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Datasheet

1,084In Stock

£12.89

£11.58

£10.92

£10.51

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

M85049/38S15N
Amphenol PCD
1: £9.52
673In Stock
500Expected 23/03/2026

Mfr. Part No.
M85049/38S15N

Mouser Part No
523-85049/38S15N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

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Datasheet

673In Stock

500Expected 23/03/2026

£9.52

£9.16

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 17 STRAIN RELIEF NIC

M85049/38S17N
Amphenol PCD
1: £12.82
154In Stock
350On Order

Mfr. Part No.
M85049/38S17N

Mouser Part No
523-85049/38S17N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 17 STRAIN RELIEF NIC

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Datasheet

154In Stock

350On Order

£12.82

£11.31

£10.76

£10.38

£10.21

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

M85049/38S19N
Amphenol PCD
1: £19.78
372In Stock

Mfr. Part No.
M85049/38S19N

Mouser Part No
523-85049/38S19N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

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Datasheet

372In Stock

£19.78

£18.11

£14.72

£12.26

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

M85049/38S21N
Amphenol PCD
1: £15.90
323In Stock
200Expected 06/05/2026

Mfr. Part No.
M85049/38S21N

Mouser Part No
523-85049/38S21N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

Learn More

Datasheet

323In Stock

200Expected 06/05/2026

£15.90

£15.52

£15.30

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

M85049/38S23N
Amphenol PCD
1: £18.90
395In Stock

Mfr. Part No.
M85049/38S23N

Mouser Part No
523-85049/38S23N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

Learn More

Datasheet

395In Stock

£18.90

£16.82

£16.05

£14.93

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 25 STRAIN RELIEF NIC

M85049/38S25N
Amphenol PCD
1: £16.22
794In Stock
650Expected 04/03/2026

Mfr. Part No.
M85049/38S25N

Mouser Part No
523-85049/38S25N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 25 STRAIN RELIEF NIC

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Datasheet

794In Stock

650Expected 04/03/2026

£16.22

£14.10

£13.50

£12.96

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

M85049/38S9N
Amphenol PCD
1: £11.85
358In Stock
964On Order

Mfr. Part No.
M85049/38S9N

Mouser Part No
523-85049/38S9N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

Learn More

Datasheet

358In Stock

964On Order

£11.85

£10.57

£9.98

£9.63

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 39 Backshell Strain Relief Clamp

M85049/39-15A
Amphenol PCD
1: £15.58
247In Stock

Mfr. Part No.
M85049/39-15A

Mouser Part No
523-85049/39-15A

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 39 Backshell Strain Relief Clamp

Learn More

Datasheet

247In Stock

£15.58

£12.34

£10.48

£10.36

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 39 Backshell Strain Relief Clamp

M85049/39S11N
Amphenol PCD
1: £22.57
66In Stock
50Expected 11/05/2026

Mfr. Part No.
M85049/39S11N

Mouser Part No
523-85049/39S11N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 39 Backshell Strain Relief Clamp

Learn More

Datasheet

66In Stock

50Expected 11/05/2026

£22.57

£19.65

£18.21

£17.20

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL NIC SZ 9

M85049/39S9N
Amphenol PCD
1: £18.80
91In Stock
75Expected 15/04/2026

Mfr. Part No.
M85049/39S9N

Mouser Part No
523-85049/39S9N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL NIC SZ 9

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Datasheet

91In Stock

75Expected 15/04/2026

£18.80

£16.85

£14.47

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 49 Backshell Strain Relief Clamp

M85049/49-2-10N
Amphenol PCD
1: £8.09
254In Stock

Mfr. Part No.
M85049/49-2-10N

Mouser Part No
523-85049/49-2-10N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 49 Backshell Strain Relief Clamp

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Datasheet

254In Stock

£8.09

£7.26

£6.62

£6.40

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST NIC SIZE 20

M85049/49-2-20N
Amphenol PCD
1: £8.38
143In Stock

Mfr. Part No.
M85049/49-2-20N

Mouser Part No
523-85049/49-2-20N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST NIC SIZE 20

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Datasheet

143In Stock

£8.38

£8.23

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 10 STRAIN RELIEF NICKEL

M85049/52-1-10N
Amphenol PCD
1: £7.96
1,149In Stock

Mfr. Part No.
M85049/52-1-10N

Mouser Part No
523-85049/52-1-10N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 10 STRAIN RELIEF NICKEL

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Datasheet

1,149In Stock

£7.96

£7.33

£6.77

£6.20

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 52 Backshell Strain Relief Clamp

M85049/52-1-14N
Amphenol PCD
1: £9.92
908In Stock

Mfr. Part No.
M85049/52-1-14N

Mouser Part No
523-85049/52-1-14N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 52 Backshell Strain Relief Clamp

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Datasheet

908In Stock

£9.92

£8.79

£8.45

£8.04

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 20 STRAIN RELIEF NICKEL

M85049/52-1-20N
Amphenol PCD
1: £11.24
388In Stock

Mfr. Part No.
M85049/52-1-20N

Mouser Part No
523-85049/52-1-20N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 20 STRAIN RELIEF NICKEL

Learn More

Datasheet

388In Stock

£11.24

£9.73

£9.23

£9.10

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 22 STRAIN RELIEF NICKEL

M85049/52-1-22N
Amphenol PCD
1: £9.86
202In Stock
125Expected 01/05/2026

Mfr. Part No.
M85049/52-1-22N

Mouser Part No
523-85049/52-1-22N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 22 STRAIN RELIEF NICKEL

Learn More

Datasheet

202In Stock

125Expected 01/05/2026

£9.86

£8.95

£8.08

£7.92

£7.32

Min.: 1
Mult.: 1

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