Circular MIL Spec Connectors

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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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Types of Circular MIL Spec Connectors

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Part #

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23

M85049/1823N09
Amphenol PCD
1: 598,67 kr.
17In Stock

Mfr. Part No.
M85049/1823N09

Mouser Part No
523-85049/1823N09

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23

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Datasheet

17In Stock

598,67 kr.

553,61 kr.

437,90 kr.

409,85 kr.

391,05 kr.

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

M85049/1825N04
Amphenol PCD
1: 543,01 kr.
40In Stock

Mfr. Part No.
M85049/1825N04

Mouser Part No
523-85049/1825N04

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

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Datasheet

40In Stock

543,01 kr.

484,97 kr.

430,89 kr.

393,89 kr.

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

M85049/1825N05
Amphenol PCD
1: 504,97 kr.
51In Stock
50Expected 15/05/2026

Mfr. Part No.
M85049/1825N05

Mouser Part No
523-85049/1825N05

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

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Datasheet

51In Stock

50Expected 15/05/2026

504,97 kr.

434,17 kr.

416,79 kr.

396,87 kr.

380,09 kr.

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

M85049/1825N06
Amphenol PCD
1: 497,81 kr.
50In Stock

Mfr. Part No.
M85049/1825N06

Mouser Part No
523-85049/1825N06

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

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Datasheet

50In Stock

497,81 kr.

459,91 kr.

405,00 kr.

387,62 kr.

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

M85049/1825N07
Amphenol PCD
1: 486,32 kr.
78In Stock

Mfr. Part No.
M85049/1825N07

Mouser Part No
523-85049/1825N07

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

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Datasheet

78In Stock

486,32 kr.

449,32 kr.

417,61 kr.

399,04 kr.

395,45 kr.

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

M85049/1825N07B
Amphenol PCD
1: 554,28 kr.
23In Stock

Mfr. Part No.
M85049/1825N07B

Mouser Part No
523-85049/1825N07B

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

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Datasheet

23In Stock

554,28 kr.

498,63 kr.

479,45 kr.

463,42 kr.

437,83 kr.

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

M85049/1825N08
Amphenol PCD
1: 543,46 kr.
67In Stock
50Expected 18/05/2026

Mfr. Part No.
M85049/1825N08

Mouser Part No
523-85049/1825N08

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

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Datasheet

67In Stock

50Expected 18/05/2026

543,46 kr.

488,85 kr.

478,63 kr.

458,04 kr.

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

M85049/1825N10
Amphenol PCD
1: 595,08 kr.
26In Stock

Mfr. Part No.
M85049/1825N10

Mouser Part No
523-85049/1825N10

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25

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Datasheet

26In Stock

595,08 kr.

545,33 kr.

445,81 kr.

430,96 kr.

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 13

M85049/1913N02
Amphenol PCD
1: 406,72 kr.
75In Stock

Mfr. Part No.
M85049/1913N02

Mouser Part No
523-85049/1913N02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 13

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Datasheet

75In Stock

406,72 kr.

386,43 kr.

293,10 kr.

290,94 kr.

Quote

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 13

M85049/1913N04
Amphenol PCD
1: 373,22 kr.
56In Stock
50Expected 23/04/2026

Mfr. Part No.
M85049/1913N04

Mouser Part No
523-85049/1913N04

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 13

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Datasheet

56In Stock

50Expected 23/04/2026

373,22 kr.

317,27 kr.

312,95 kr.

302,50 kr.

269,68 kr.

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

M85049/1917N05
Amphenol PCD
1: 467,97 kr.
39In Stock
50Expected 16/03/2026

Mfr. Part No.
M85049/1917N05

Mouser Part No
523-85049/1917N05

Amphenol PCD

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

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Datasheet

39In Stock

50Expected 16/03/2026

467,97 kr.

421,42 kr.

417,61 kr.

348,01 kr.

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 19

M85049/1919N07
Amphenol PCD
1: 420,52 kr.
60In Stock
100Expected 05/03/2026

Mfr. Part No.
M85049/1919N07

Mouser Part No
523-85049/1919N07

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 19

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Datasheet

60In Stock

100Expected 05/03/2026

420,52 kr.

388,89 kr.

365,39 kr.

351,74 kr.

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23

M85049/1923N07
Amphenol PCD
1: 463,86 kr.
43In Stock

Mfr. Part No.
M85049/1923N07

Mouser Part No
523-85049/1923N07

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23

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Datasheet

43In Stock

463,86 kr.

431,86 kr.

378,30 kr.

362,11 kr.

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23

M85049/1923N08
Amphenol PCD
1: 471,32 kr.
26In Stock

Mfr. Part No.
M85049/1923N08

Mouser Part No
523-85049/1923N08

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23

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Datasheet

26In Stock

471,32 kr.

400,75 kr.

400,68 kr.

357,71 kr.

346,74 kr.

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 25

M85049/1925N05
Amphenol PCD
1: 386,06 kr.
45In Stock

Mfr. Part No.
M85049/1925N05

Mouser Part No
523-85049/1925N05

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 25

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Datasheet

45In Stock

386,06 kr.

385,98 kr.

Quote

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 25

M85049/1925N08
Amphenol PCD
1: 498,63 kr.
27In Stock

Mfr. Part No.
M85049/1925N08

Mouser Part No
523-85049/1925N08

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 25

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Datasheet

27In Stock

498,63 kr.

443,20 kr.

426,12 kr.

411,94 kr.

389,19 kr.

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 25

M85049/1925N10
Amphenol PCD
1: 500,57 kr.
49In Stock
50Expected 28/04/2026

Mfr. Part No.
M85049/1925N10

Mouser Part No
523-85049/1925N10

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 25

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Datasheet

49In Stock

50Expected 28/04/2026

500,57 kr.

436,26 kr.

393,44 kr.

386,06 kr.

380,46 kr.

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/25-29N
Amphenol PCD
1: 664,24 kr.
24In Stock

Mfr. Part No.
M85049/25-29N

Mouser Part No
523-85049/25-29N

Amphenol PCD

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

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Datasheet

24In Stock

664,24 kr.

605,75 kr.

582,40 kr.

563,01 kr.

531,90 kr.

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-5015, MIL-DTL-26482 II

Straight

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

M85049/38-11N
Amphenol PCD
1: 71,62 kr.
671In Stock
1.000Expected 05/03/2026

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

671In Stock

1.000Expected 05/03/2026

71,62 kr.

66,17 kr.

60,87 kr.

54,61 kr.

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

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

M85049/38-13N
Amphenol PCD
1: 76,54 kr.
407In 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

407In Stock

500Expected 20/04/2026

76,54 kr.

68,56 kr.

64,23 kr.

61,17 kr.

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

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

M85049/38-15N
Amphenol PCD
1: 78,26 kr.
789In 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

789In Stock

78,26 kr.

66,54 kr.

62,29 kr.

59,38 kr.

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

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

M85049/38-17N
Amphenol PCD
1: 76,24 kr.
530In Stock
500Expected 29/05/2026

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

530In Stock

500Expected 29/05/2026

76,24 kr.

70,50 kr.

61,62 kr.

59,75 kr.

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

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

M85049/38-19N
Amphenol PCD
1: 76,39 kr.
195In Stock
475On Order

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

195In Stock

475On Order

76,39 kr.

74,45 kr.

71,77 kr.

69,83 kr.

60,43 kr.

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

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

M85049/38-23N
Amphenol PCD
1: 113,39 kr.
157In 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

157In Stock

113,39 kr.

100,56 kr.

93,70 kr.

87,36 kr.

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

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

M85049/38-9N
Amphenol PCD
1: 78,70 kr.
675In 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

675In Stock

78,70 kr.

72,81 kr.

70,94 kr.

65,72 kr.

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Backshell Clamps

Types of Circular MIL Spec Connectors

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