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 R/A OD CAD

M85049/9-75W
Amphenol PCD
1: 299,22 kr.
23In Stock

Mfr. Part No.
M85049/9-75W

Mouser Part No
523-85049/9-75W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV R/A OD CAD

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Datasheet

23In Stock

299,22 kr.

260,13 kr.

233,95 kr.

232,75 kr.

219,92 kr.

Min.: 1
Mult.: 1

Environmental Backshells

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

Right Angle

Circular MIL Spec Backshells

M85049/1710Z03
Amphenol PCD
1: 463,86 kr.
17In Stock

Mfr. Part No.
M85049/1710Z03

Mouser Part No
523-M850491710Z03

Amphenol PCD

Circular MIL Spec Backshells

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Datasheet

17In Stock

463,86 kr.

412,31 kr.

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Backshells BACKSHELL

M85049/1923Z09
Amphenol PCD
1: 570,32 kr.
15In Stock

Mfr. Part No.
M85049/1923Z09

Mouser Part No
523-M850491923Z09

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

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Datasheet

15In Stock

570,32 kr.

520,11 kr.

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 21

M85049/1921W06B
Amphenol PCD
1: 456,78 kr.
23In Stock

Mfr. Part No.
M85049/1921W06B

Mouser Part No
523-85049/1921W06B

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 21

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Datasheet

23In Stock

456,78 kr.

420,59 kr.

418,51 kr.

412,76 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 ENV 45 DEG OD CAD

M85049/7-43W
Amphenol PCD
1: 289,97 kr.
21In Stock

Mfr. Part No.
M85049/7-43W

Mouser Part No
523-85049/7-43W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV 45 DEG OD CAD

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Datasheet

21In Stock

289,97 kr.

289,90 kr.

283,85 kr.

282,06 kr.

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Min.: 1
Mult.: 1

Environmental Backshells

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

45 Deg

Circular MIL Spec Backshells BACKSHELL EMI/RFI 45 DEG OD CAD SZ 09

M85049/78-19W05
Amphenol PCD
1: 462,74 kr.
15In Stock

Mfr. Part No.
M85049/78-19W05

Mouser Part No
523-85049/78-19W05

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL EMI/RFI 45 DEG OD CAD SZ 09

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Datasheet

15In Stock

462,74 kr.

435,14 kr.

435,07 kr.

424,18 kr.

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Circular MIL Spec Backshells Backshell;Non Env-EMI/RFI;BZN

M85049/1917Z04
Amphenol PCD
1: 477,07 kr.
23In Stock

Mfr. Part No.
M85049/1917Z04

Mouser Part No
523-M850491917Z04

Amphenol PCD

Circular MIL Spec Backshells Backshell;Non Env-EMI/RFI;BZN

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Datasheet

23In Stock

477,07 kr.

424,10 kr.

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1811N02
Amphenol PCD
1: 378,22 kr.
383In Stock

Mfr. Part No.
M85049/1811N02

Mouser Part No
523-85049/1811N02

Amphenol PCD

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

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Datasheet

383In Stock

378,22 kr.

342,34 kr.

316,98 kr.

295,71 kr.

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/38S25N
Amphenol PCD
1: 142,49 kr.
1.406In Stock

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

1.406In Stock

142,49 kr.

130,10 kr.

122,57 kr.

113,99 kr.

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells 88 Backshell Band Lock

M85049/88-9W03
Amphenol PCD
1: 254,68 kr.
998In Stock
1.000Expected 06/04/2026

Mfr. Part No.
M85049/88-9W03

Mouser Part No
523-85049/88-9W03

Amphenol PCD

Circular MIL Spec Backshells 88 Backshell Band Lock

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Datasheet

998In Stock

1.000Expected 06/04/2026

254,68 kr.

233,05 kr.

225,37 kr.

218,73 kr.

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Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 12

M85049/10-13N
Amphenol PCD
1: 523,84 kr.
40In Stock

Mfr. Part No.
M85049/10-13N

Mouser Part No
523-85049/10-13N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 12

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Datasheet

40In Stock

523,84 kr.

481,99 kr.

406,12 kr.

382,40 kr.

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

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

Straight

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 14

M85049/10-17N
Amphenol PCD
1: 506,61 kr.
87In Stock

Mfr. Part No.
M85049/10-17N

Mouser Part No
523-85049/10-17N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 14

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Datasheet

87In Stock

506,61 kr.

455,73 kr.

418,13 kr.

Quote

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

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

Straight

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-11N
Amphenol PCD
1: 556,52 kr.
21In Stock

Mfr. Part No.
M85049/11-11N

Mouser Part No
523-85049/11-11N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

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Datasheet

21In Stock

556,52 kr.

546,89 kr.

546,82 kr.

516,31 kr.

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Min.: 1
Mult.: 1

Environmental Backshells

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

Straight

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-71N
Amphenol PCD
1: 819,33 kr.
13In Stock

Mfr. Part No.
M85049/11-71N

Mouser Part No
523-85049/11-71N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

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Datasheet

13In Stock

819,33 kr.

780,76 kr.

723,40 kr.

710,79 kr.

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Min.: 1
Mult.: 1

Environmental Backshells

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

Straight

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP R/A SL NIC SZ 25

M85049/16S25N
Amphenol PCD
1: 186,57 kr.
70In Stock

Mfr. Part No.
M85049/16S25N

Mouser Part No
523-85049/16S25N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP R/A SL NIC SZ 25

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Datasheet

70In Stock

186,57 kr.

158,60 kr.

151,44 kr.

146,51 kr.

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Min.: 1
Mult.: 1

Cable Clamps

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1811N03
Amphenol PCD
1: 312,80 kr.
324In Stock

Mfr. Part No.
M85049/1811N03

Mouser Part No
523-85049/1811N03

Amphenol PCD

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

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Datasheet

324In Stock

312,80 kr.

276,54 kr.

261,55 kr.

252,45 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 13

M85049/1813N03
Amphenol PCD
1: 377,85 kr.
248In Stock

Mfr. Part No.
M85049/1813N03

Mouser Part No
523-85049/1813N03

Amphenol PCD

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

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Datasheet

248In Stock

377,85 kr.

347,71 kr.

328,91 kr.

312,35 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 13

M85049/1813N04
Amphenol PCD
1: 343,09 kr.
54In Stock
100Expected 11/05/2026

Mfr. Part No.
M85049/1813N04

Mouser Part No
523-85049/1813N04

Amphenol PCD

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

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Datasheet

54In Stock

100Expected 11/05/2026

343,09 kr.

337,19 kr.

316,60 kr.

306,31 kr.

Quote

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1815N04
Amphenol PCD
1: 435,51 kr.
63In Stock

Mfr. Part No.
M85049/1815N04

Mouser Part No
523-85049/1815N04

Amphenol PCD

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

Learn More

Datasheet

63In Stock

435,51 kr.

363,60 kr.

350,40 kr.

341,82 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 15

M85049/1815N05
Amphenol PCD
1: 424,70 kr.
89In Stock
100Expected 13/05/2026

Mfr. Part No.
M85049/1815N05

Mouser Part No
523-85049/1815N05

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 15

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Datasheet

89In Stock

100Expected 13/05/2026

424,70 kr.

388,82 kr.

335,18 kr.

331,15 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 17

M85049/1817N04
Amphenol PCD
1: 504,00 kr.
176In Stock

Mfr. Part No.
M85049/1817N04

Mouser Part No
523-85049/1817N04

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 17

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Datasheet

176In Stock

504,00 kr.

454,09 kr.

401,42 kr.

368,82 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 17

M85049/1817N05
Amphenol PCD
1: 448,42 kr.
47In Stock

Mfr. Part No.
M85049/1817N05

Mouser Part No
523-85049/1817N05

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 17

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Datasheet

47In Stock

448,42 kr.

412,76 kr.

388,74 kr.

348,01 kr.

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1819N05
Amphenol PCD
1: 446,11 kr.
37In Stock
50Expected 11/03/2026

Mfr. Part No.
M85049/1819N05

Mouser Part No
523-85049/1819N05

Amphenol PCD

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

Learn More

Datasheet

37In Stock

50Expected 11/03/2026

446,11 kr.

423,21 kr.

372,25 kr.

352,34 kr.

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1821N05
Amphenol PCD
1: 436,26 kr.
66In Stock

Mfr. Part No.
M85049/1821N05

Mouser Part No
523-85049/1821N05

Amphenol PCD

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

Learn More

Datasheet

66In Stock

436,26 kr.

384,71 kr.

357,41 kr.

348,23 kr.

336,30 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 23

M85049/1823N05
Amphenol PCD
1: 489,23 kr.
39In Stock

Mfr. Part No.
M85049/1823N05

Mouser Part No
523-85049/1823N05

Amphenol PCD

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

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Datasheet

39In Stock

489,23 kr.

415,90 kr.

389,86 kr.

371,28 kr.

361,14 kr.

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Backshell Clamps

Types of Circular MIL Spec Connectors

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