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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 38 Backshell Strain Relief Clamp

M85049/38S11W
Amphenol PCD
1: £11.56
485In Stock
492Expected 09/03/2026

Mfr. Part No.
M85049/38S11W

Mouser Part No
523-85049/38S11W

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

Datasheet

485In Stock

492Expected 09/03/2026

£11.56

£11.34

£9.63

£9.38

Min.: 1
Mult.: 1

No

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

M85049/38S13W
Amphenol PCD
1: £13.77
615In Stock

Mfr. Part No.
M85049/38S13W

Mouser Part No
523-85049/38S13W

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

Datasheet

615In Stock

£13.77

£12.31

£11.79

£11.56

View

Min.: 1
Mult.: 1

No

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

M85049/38S15W
Amphenol PCD
1: £14.62
588In Stock
500Expected 18/05/2026

Mfr. Part No.
M85049/38S15W

Mouser Part No
523-85049/38S15W

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

Datasheet

588In Stock

500Expected 18/05/2026

£14.62

£13.05

£12.32

£11.59

View

Min.: 1
Mult.: 1

No

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

M85049/38S17W
Amphenol PCD
1: £13.23
332In Stock
500Expected 16/03/2026

Mfr. Part No.
M85049/38S17W

Mouser Part No
523-85049/38S17W

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

Datasheet

332In Stock

500Expected 16/03/2026

£13.23

£12.89

Min.: 1
Mult.: 1

No

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

M85049/38S21W
Amphenol PCD
1: £17.40
148In Stock
100Expected 16/03/2026

Mfr. Part No.
M85049/38S21W

Mouser Part No
523-85049/38S21W

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

Datasheet

148In Stock

100Expected 16/03/2026

£17.40

£15.58

£14.81

£14.57

View

Min.: 1
Mult.: 1

No

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

M85049/38S23W
Amphenol PCD
1: £18.24
170In Stock

Mfr. Part No.
M85049/38S23W

Mouser Part No
523-85049/38S23W

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

Datasheet

170In Stock

£18.24

£16.52

£14.86

Min.: 1
Mult.: 1

No

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

M85049/38S25W
Amphenol PCD
1: £17.92
206In Stock
200Expected 06/04/2026

Mfr. Part No.
M85049/38S25W

Mouser Part No
523-85049/38S25W

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

Datasheet

206In Stock

200Expected 06/04/2026

£17.92

£15.79

£15.11

£13.92

Min.: 1
Mult.: 1

No

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

M85049/38S9W
Amphenol PCD
1: £12.92
770In Stock

Mfr. Part No.
M85049/38S9W

Mouser Part No
523-85049/38S9W

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

Datasheet

770In Stock

£12.92

£11.86

£11.21

Min.: 1
Mult.: 1

No

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

M85049/39-13W
Amphenol PCD
1: £15.71
114In Stock

Mfr. Part No.
M85049/39-13W

Mouser Part No
523-85049/39-13W

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

Datasheet

114In Stock

£15.71

£13.58

£13.23

£11.17

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A OD CAD SZ 25

M85049/39-25W
Amphenol PCD
1: £29.45
85In Stock

Mfr. Part No.
M85049/39-25W

Mouser Part No
523-85049/39-25W

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A OD CAD SZ 25

Datasheet

85In Stock

£29.45

£23.78

£21.29

£17.51

£13.51

Min.: 1
Mult.: 1

No

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

M85049/39S11W
Amphenol PCD
1: £20.77
70In Stock

Mfr. Part No.
M85049/39S11W

Mouser Part No
523-85049/39S11W

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

Datasheet

70In Stock

£20.77

£18.80

£18.11

£16.48

£16.27

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 13

M85049/39S13W
Amphenol PCD
1: £22.65
150In Stock

Mfr. Part No.
M85049/39S13W

Mouser Part No
523-85049/39S13W

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 13

Datasheet

150In Stock

£22.65

£18.23

£17.41

£14.47

Min.: 1
Mult.: 1

No

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

M85049/39S15W
Amphenol PCD
1: £30.02
121In Stock

Mfr. Part No.
M85049/39S15W

Mouser Part No
523-85049/39S15W

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

Datasheet

121In Stock

£30.02

£26.91

£25.55

£21.72

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 21

M85049/39S21W
Amphenol PCD
1: £26.09
75In Stock

Mfr. Part No.
M85049/39S21W

Mouser Part No
523-85049/39S21W

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 21

Datasheet

75In Stock

£26.09

£23.93

£20.85

£20.11

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST OD CAD SIZE 16

M85049/49-2-16W
Amphenol PCD
1: £10.10
256In Stock

Mfr. Part No.
M85049/49-2-16W

Mouser Part No
523-85049/49-2-16W

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST OD CAD SIZE 16

Datasheet

256In Stock

£10.10

£8.91

£8.55

£8.34

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 14

M85049/51S14W
Amphenol PCD
1: £26.57
101In Stock

Mfr. Part No.
M85049/51S14W

Mouser Part No
523-85049/51S14W

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 14

Datasheet

101In Stock

£26.57

£23.84

£22.84

£19.41

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters 51 Backshell Strain Relief Clamp

M85049/51S8W
Amphenol PCD
1: £22.17
76In Stock

Mfr. Part No.
M85049/51S8W

Mouser Part No
523-85049/51S8W

Circular MIL Spec Strain Reliefs & Adapters 51 Backshell Strain Relief Clamp

Datasheet

76In Stock

£22.17

£20.13

£17.10

£16.63

£14.19

Min.: 1
Mult.: 1

No

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

M85049/52-1-10W
Amphenol PCD
1: £7.66
309In Stock
250Expected 11/03/2026

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

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

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

Datasheet

309In Stock

250Expected 11/03/2026

£7.66

£7.18

£6.54

Min.: 1
Mult.: 1

No

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

M85049/52-1-12W
Amphenol PCD
1: £11.45
387In Stock
500Expected 18/05/2026

Mfr. Part No.
M85049/52-1-12W

Mouser Part No
523-85049/52-1-12W

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

Datasheet

387In Stock

500Expected 18/05/2026

£11.45

£8.74

£8.56

£8.34

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 14 STRAIN RELIEF OD CAD

M85049/52-1-14W
Amphenol PCD
1: £8.63
944In Stock

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

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

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 14 STRAIN RELIEF OD CAD

Datasheet

944In Stock

£8.63

£7.33

£7.16

£6.95

£6.78

Min.: 1
Mult.: 1

No

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

M85049/52-1-16W
Amphenol PCD
1: £11.13
204In Stock
150Expected 26/03/2026

Mfr. Part No.
M85049/52-1-16W

Mouser Part No
523-85049/52-1-16W

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

Datasheet

204In Stock

150Expected 26/03/2026

£11.13

£10.20

£7.87

£7.80

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 18 STRAIN RELIEF OD CAD

M85049/52-1-18W
Amphenol PCD
1: £10.28
287In Stock

Mfr. Part No.
M85049/52-1-18W

Mouser Part No
523-85049/52-1-18W

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 18 STRAIN RELIEF OD CAD

Datasheet

287In Stock

£10.28

£8.76

£7.73

£7.35

Min.: 1
Mult.: 1

No

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

M85049/52-1-20W
Amphenol PCD
1: £9.89
322In Stock

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

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

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

Datasheet

322In Stock

£9.89

£9.64

£9.04

£8.12

£7.57

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 14 STRAIN RELIEF OD CAD

M85049/52S14W
Amphenol PCD
1: £17.43
322In Stock

Mfr. Part No.
M85049/52S14W

Mouser Part No
523-85049/52S14W

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 14 STRAIN RELIEF OD CAD

Datasheet

322In Stock

£17.43

£15.77

£14.44

£12.56

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 16 STRAIN RELIEF OD CAD

M85049/52S16W
Amphenol PCD
1: £18.17
162In Stock

Mfr. Part No.
M85049/52S16W

Mouser Part No
523-85049/52S16W

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 16 STRAIN RELIEF OD CAD

Datasheet

162In Stock

£18.17

£16.50

£15.86

£15.42

£13.70

Min.: 1
Mult.: 1

No