Connectors – Mouser Singapore

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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 BLACK

M85049/38-11A
Amphenol PCD
1: $16.10
164In Stock
125Expected 28/10/2026

Mfr. Part No.
M85049/38-11A

Mouser Part No
523-85049/38-11A

Amphenol PCD

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

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Datasheet

164In Stock

125Expected 28/10/2026

$16.10

$16.09

$12.34

$12.04

$12.02

Min.: 1
Mult.: 1

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

M85049/38-11N
Amphenol PCD
1: $17.24
1,192In Stock
2,900On 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

1,192In Stock

2,900On Order

$17.24

$14.66

$13.74

$13.08

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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: $16.48
1,079In Stock
1,975On Order

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

1,079In Stock

1,975On Order

$16.48

$14.80

$13.86

$13.19

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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: $16.88
884In Stock
1,725On Order

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

884In Stock

1,725On Order

$16.88

$14.35

$13.44

$12.81

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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: $17.07
778In Stock
1,675On Order

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

778In Stock

1,675On Order

$17.07

$15.69

$14.72

$14.01

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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: $17.88
703In Stock
650Expected 2/10/2026

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

703In Stock

650Expected 2/10/2026

$17.88

$16.43

$15.84

$15.40

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 21 STRAIN RELIEF NIC

M85049/38-21N
Amphenol PCD
1: $26.91
500In Stock
375Expected 19/8/2026

Mfr. Part No.
M85049/38-21N

Mouser Part No
523-85049/38-21N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 21 STRAIN RELIEF NIC

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Datasheet

500In Stock

375Expected 19/8/2026

$26.91

$25.27

$23.36

$22.79

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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: $31.28
550In 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

550In Stock

$31.28

$30.95

$30.34

$29.88

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Min.: 1
Mult.: 1

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

M85049/38-25N
Amphenol PCD
1: $27.78
880In Stock
550Expected 18/9/2026

Mfr. Part No.
M85049/38-25N

Mouser Part No
523-85049/38-25N

Amphenol PCD

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

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Datasheet

880In Stock

550Expected 18/9/2026

$27.78

$24.89

$23.34

$21.56

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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: $22.67
728In Stock
500Expected 7/10/2026

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

728In Stock

500Expected 7/10/2026

$22.67

$17.35

$15.37

$14.04

$12.88

Min.: 1
Mult.: 1

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

M85049/38S11N
Amphenol PCD
1: $23.73
367In Stock
1,400On Order

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

367In Stock

1,400On Order

$23.73

$20.63

$20.02

$19.20

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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: $24.18
599In Stock
925Expected 20/8/2026

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

599In Stock

925Expected 20/8/2026

$24.18

$22.67

$21.24

$20.22

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Min.: 1
Mult.: 1

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

M85049/38S17N
Amphenol PCD
1: $25.73
470In Stock
1,000On 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

470In Stock

1,000On Order

$25.73

$24.41

$21.73

$19.92

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Min.: 1
Mult.: 1

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

M85049/38S23N
Amphenol PCD
1: $33.88
145In Stock
250Expected 10/8/2026

Mfr. Part No.
M85049/38S23N

Mouser Part No
523-85049/38S23N

Amphenol PCD

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

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Datasheet

145In Stock

250Expected 10/8/2026

$33.88

$31.92

$30.75

$30.15

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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: $32.31
853In Stock
1,575On Order

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

853In Stock

1,575On Order

$32.31

$28.71

$26.90

$25.05

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A NIC SIZE 17

M85049/39-17N
Amphenol PCD
1: $26.08
319In Stock

Mfr. Part No.
M85049/39-17N

Mouser Part No
523-85049/39-17N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A NIC SIZE 17

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Datasheet

319In Stock

$26.08

$23.75

$22.90

$20.52

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A NIC SIZE 25

M85049/39-25N
Amphenol PCD
1: $34.90
82In Stock
175Expected 18/8/2026

Mfr. Part No.
M85049/39-25N

Mouser Part No
523-85049/39-25N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A NIC SIZE 25

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Datasheet

82In Stock

175Expected 18/8/2026

$34.90

$29.66

$29.65

$29.08

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Min.: 1
Mult.: 1

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

M85049/39S11N
Amphenol PCD
1: $36.95
74In Stock
200On Order

Mfr. Part No.
M85049/39S11N

Mouser Part No
523-85049/39S11N

Amphenol PCD

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

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Datasheet

74In Stock

200On Order

$36.95

$33.65

$33.63

$32.03

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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: $46.28
86In Stock
194On Order

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

86In Stock

194On Order

$46.28

$42.77

$30.63

$27.88

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST NIC SIZE 12

M85049/49-2-12N
Amphenol PCD
1: $16.39
224In Stock
275Expected 18/8/2026

Mfr. Part No.
M85049/49-2-12N

Mouser Part No
523-85049/49-2-12N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST NIC SIZE 12

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Datasheet

224In Stock

275Expected 18/8/2026

$16.39

$15.29

$14.10

$13.64

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST NIC SIZE 14

M85049/49-2-14N
Amphenol PCD
1: $15.68
161In Stock
575On Order

Mfr. Part No.
M85049/49-2-14N

Mouser Part No
523-85049/49-2-14N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST NIC SIZE 14

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Datasheet

161In Stock

575On Order

$15.68

$14.09

$13.98

$13.37

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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: $22.40
260In 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

260In Stock

$22.40

$20.55

$19.24

$18.33

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL NIC SZ 10

M85049/51S10N
Amphenol PCD
1: $37.20
100In Stock

Mfr. Part No.
M85049/51S10N

Mouser Part No
523-85049/51S10N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL NIC SZ 10

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Datasheet

100In Stock

$37.20

$34.31

$31.48

$30.23

View

Min.: 1
Mult.: 1

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

M85049/52-1-12A
Amphenol PCD
1: $17.68
307In Stock
650On Order

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

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

Amphenol PCD

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

Learn More

Datasheet

307In Stock

650On Order

$17.68

$16.84

$16.03

$15.03

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 12 STRAIN RELIEF NICKEL

M85049/52-1-12N
Amphenol PCD
1: $16.08
1,016In Stock
825Expected 29/9/2026

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

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

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 12 STRAIN RELIEF NICKEL

Learn More

Datasheet

1,016In Stock

825Expected 29/9/2026

$16.08

$15.25

$14.61

$13.95

View

Min.: 1
Mult.: 1

Backshell Clamps

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