Connectors – Mouser Japan

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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: ¥1,966.6
183In Stock
125Expected 10/28/2026

Mfr. Part #
M85049/38-11A

Mouser Part #
523-85049/38-11A

Amphenol PCD

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

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Datasheet

183In Stock

125Expected 10/28/2026

¥1,966.6

¥1,965

¥1,506.5

¥1,470

¥1,468.3

Min.: 1
Mult.: 1

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

M85049/38-11N
Amphenol PCD
1: ¥2,106.1
1,473In Stock
1,325Expected 10/30/2026

Mfr. Part #
M85049/38-11N

Mouser Part #
523-85049/38-11N

Amphenol PCD

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

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Datasheet

1,473In Stock

1,325Expected 10/30/2026

¥2,106.1

¥1,790.6

¥1,677.6

¥1,597.9

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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: ¥2,013.1
1,131In Stock
875Expected 9/29/2026

Mfr. Part #
M85049/38-13N

Mouser Part #
523-85049/38-13N

Amphenol PCD

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

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Datasheet

1,131In Stock

875Expected 9/29/2026

¥2,013.1

¥1,807.2

¥1,692.6

¥1,611.2

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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: ¥2,061.3
921In Stock
1,725On Order

Mfr. Part #
M85049/38-15N

Mouser Part #
523-85049/38-15N

Amphenol PCD

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

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Datasheet

921In Stock

1,725On Order

¥2,061.3

¥1,752.4

¥1,641.1

¥1,564.7

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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: ¥2,084.6
826In Stock
1,675On Order

Mfr. Part #
M85049/38-17N

Mouser Part #
523-85049/38-17N

Amphenol PCD

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

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Datasheet

826In Stock

1,675On Order

¥2,084.6

¥1,916.8

¥1,797.2

¥1,710.8

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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: ¥2,184.2
711In Stock
650Expected 10/2/2026

Mfr. Part #
M85049/38-19N

Mouser Part #
523-85049/38-19N

Amphenol PCD

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

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Datasheet

711In Stock

650Expected 10/2/2026

¥2,184.2

¥2,006.5

¥1,935.1

¥1,880.3

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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: ¥3,287.1
536In Stock
375Expected 8/18/2026

Mfr. Part #
M85049/38-21N

Mouser Part #
523-85049/38-21N

Amphenol PCD

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

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Datasheet

536In Stock

375Expected 8/18/2026

¥3,287.1

¥3,086.1

¥2,853.6

¥2,783.8

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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: ¥3,820.3
560In Stock

Mfr. Part #
M85049/38-23N

Mouser Part #
523-85049/38-23N

Amphenol PCD

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

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Datasheet

560In Stock

¥3,820.3

¥3,780.4

¥3,705.7

¥3,649.2

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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: ¥3,393.4
885In Stock
550Expected 9/18/2026

Mfr. Part #
M85049/38-25N

Mouser Part #
523-85049/38-25N

Amphenol PCD

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

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Datasheet

885In Stock

550Expected 9/18/2026

¥3,393.4

¥3,039.6

¥2,850.3

¥2,632.7

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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: ¥2,768.9
734In Stock
500Expected 10/7/2026

Mfr. Part #
M85049/38-9N

Mouser Part #
523-85049/38-9N

Amphenol PCD

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

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Datasheet

734In Stock

500Expected 10/7/2026

¥2,768.9

¥2,119.4

¥1,876.9

¥1,714.2

¥1,573

Min.: 1
Mult.: 1

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

M85049/38S11N
Amphenol PCD
1: ¥2,898.4
577In Stock
1,400On Order

Mfr. Part #
M85049/38S11N

Mouser Part #
523-85049/38S11N

Amphenol PCD

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

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Datasheet

577In Stock

1,400On Order

¥2,898.4

¥2,519.7

¥2,445

¥2,345.3

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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: ¥2,953.3
728In Stock
925Expected 8/18/2026

Mfr. Part #
M85049/38S13N

Mouser Part #
523-85049/38S13N

Amphenol PCD

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

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Datasheet

728In Stock

925Expected 8/18/2026

¥2,953.3

¥2,768.9

¥2,594.5

¥2,469.9

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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: ¥3,142.6
539In Stock
1,000On Order

Mfr. Part #
M85049/38S17N

Mouser Part #
523-85049/38S17N

Amphenol PCD

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

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Datasheet

539In Stock

1,000On Order

¥3,142.6

¥2,981.5

¥2,654.3

¥2,433.4

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Min.: 1
Mult.: 1

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

M85049/38S23N
Amphenol PCD
1: ¥4,137.6
202In Stock
250Expected 8/10/2026

Mfr. Part #
M85049/38S23N

Mouser Part #
523-85049/38S23N

Amphenol PCD

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

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Datasheet

202In Stock

250Expected 8/10/2026

¥4,137.6

¥3,898.4

¥3,755.5

¥3,682.4

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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: ¥3,185.8
144In Stock
175Expected 8/10/2026

Mfr. Part #
M85049/39-17N

Mouser Part #
523-85049/39-17N

Amphenol PCD

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

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Datasheet

144In Stock

175Expected 8/10/2026

¥3,185.8

¥2,900.1

¥2,797.1

¥2,506.4

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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: ¥4,262.1
82In Stock
175Expected 8/18/2026

Mfr. Part #
M85049/39-25N

Mouser Part #
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 8/18/2026

¥4,262.1

¥3,622.6

¥3,621

¥3,551.2

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Min.: 1
Mult.: 1

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

M85049/39S11N
Amphenol PCD
1: ¥4,512.9
74In Stock
200On Order

Mfr. Part #
M85049/39S11N

Mouser Part #
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

¥4,512.9

¥4,109.3

¥4,107.7

¥3,911.7

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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: ¥5,652.4
86In Stock
200On Order

Mfr. Part #
M85049/39S9N

Mouser Part #
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

200On Order

¥5,652.4

¥5,223.8

¥3,740.6

¥3,405.1

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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: ¥2,001.5
332In Stock
275Expected 8/18/2026

Mfr. Part #
M85049/49-2-12N

Mouser Part #
523-85049/49-2-12N

Amphenol PCD

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

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Datasheet

332In Stock

275Expected 8/18/2026

¥2,001.5

¥1,867

¥1,722.5

¥1,666

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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: ¥1,915.1
189In Stock
575On Order

Mfr. Part #
M85049/49-2-14N

Mouser Part #
523-85049/49-2-14N

Amphenol PCD

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

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Datasheet

189In Stock

575On Order

¥1,915.1

¥1,720.8

¥1,707.5

¥1,632.8

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST NIC SIZE 18

M85049/49-2-18N
Amphenol PCD
1: ¥2,353.6
225In Stock
475On Order

Mfr. Part #
M85049/49-2-18N

Mouser Part #
523-85049/49-2-18N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST NIC SIZE 18

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Datasheet

225In Stock

475On Order

¥2,353.6

¥2,097.8

¥2,016.5

¥1,852

¥1,838.7

Min.: 1
Mult.: 1

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

M85049/49-2-20N
Amphenol PCD
1: ¥2,735.7
260In Stock

Mfr. Part #
M85049/49-2-20N

Mouser Part #
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

¥2,735.7

¥2,509.8

¥2,350.3

¥2,239

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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: ¥4,542.8
102In Stock

Mfr. Part #
M85049/51S10N

Mouser Part #
523-85049/51S10N

Amphenol PCD

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

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Datasheet

102In Stock

¥4,542.8

¥4,190.7

¥3,845.2

¥3,692.4

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Min.: 1
Mult.: 1

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

M85049/52-1-12A
Amphenol PCD
1: ¥2,159.3
307In Stock
650On Order

Mfr. Part #
M85049/52-1-12A

Mouser Part #
523-85049/52-1-12A

Amphenol PCD

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

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Datasheet

307In Stock

650On Order

¥2,159.3

¥2,056.3

¥1,958.3

¥1,835.4

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Min.: 1
Mult.: 1

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

M85049/52-1-12N
Amphenol PCD
1: ¥1,963.3
1,086In Stock
825Expected 9/29/2026

Mfr. Part #
M85049/52-1-12N

Mouser Part #
523-85049/52-1-12N

Amphenol PCD

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

Learn More

Datasheet

1,086In Stock

825Expected 9/29/2026

¥1,963.3

¥1,862

¥1,783.9

¥1,704.2

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Min.: 1
Mult.: 1