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Backshells

Amphenol PCD Backshells offer strain relief, environmental protection, and 360° EMI/RFI shielding at the termination area of virtually any circular connector. These connectors feature a base material constructed of aluminum alloy, stainless steel, brass, or composite and a variety of finishes such as black zinc nickel, cadmium, electroless nickel, anodized black, passivated, and more. Amphenol PCD Backshells have custom designs available and meet or exceed RoHS/REACH compliance standards. Available in both military specifications and commercial types for any application, these backshells meet the Society of Automotive Engineers (SAE) AS85049 standard.

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Part #

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 16

M85049/31-16N
Amphenol PCD
1: 96,16 kr.
17In Stock

Mfr. Part No.
M85049/31-16N

Mouser Part No
523-85049/31-16N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 16

Datasheet

17In Stock

96,16 kr.

85,27 kr.

81,99 kr.

77,96 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 31 Backshell Grommet Nut

M85049/31-18N
Amphenol PCD
1: 62,44 kr.
17In Stock

Mfr. Part No.
M85049/31-18N

Mouser Part No
523-85049/31-18N

Circular MIL Spec Backshells 31 Backshell Grommet Nut

Datasheet

17In Stock

62,44 kr.

60,72 kr.

57,29 kr.

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 20

M85049/31-20N
Amphenol PCD
1: 89,30 kr.
26In Stock

Mfr. Part No.
M85049/31-20N

Mouser Part No
523-85049/31-20N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 20

Datasheet

26In Stock

89,30 kr.

86,91 kr.

73,85 kr.

71,32 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST BLACK SZ 22

M85049/31-22A
Amphenol PCD
1: 99,59 kr.
4In Stock

Mfr. Part No.
M85049/31-22A

Mouser Part No
523-85049/31-22A

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST BLACK SZ 22

Datasheet

4In Stock

99,59 kr.

90,49 kr.

76,84 kr.

71,02 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 22

M85049/31-22N
Amphenol PCD
1: 111,53 kr.
10In Stock

Mfr. Part No.
M85049/31-22N

Mouser Part No
523-85049/31-22N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 22

Datasheet

10In Stock

111,53 kr.

92,65 kr.

85,42 kr.

76,24 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 24

M85049/31-24N
Amphenol PCD
1: 103,32 kr.
1In Stock

Mfr. Part No.
M85049/31-24N

Mouser Part No
523-85049/31-24N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 24

Datasheet

1In Stock

103,32 kr.

94,00 kr.

79,82 kr.

73,78 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 32

M85049/31-32N
Amphenol PCD
1: 158,45 kr.
22In Stock

Mfr. Part No.
M85049/31-32N

Mouser Part No
523-85049/31-32N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 32

Datasheet

22In Stock

158,45 kr.

141,37 kr.

120,11 kr.

119,73 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 16

M85049/31S16N
Amphenol PCD
1: 138,08 kr.
23In Stock

Mfr. Part No.
M85049/31S16N

Mouser Part No
523-85049/31S16N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 16

Datasheet

23In Stock

138,08 kr.

121,37 kr.

103,10 kr.

101,16 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 36 Backshell Non Env-EMI/RFI

M85049/3614N04
Amphenol PCD
1: 388,89 kr.
11In Stock

Mfr. Part No.
M85049/3614N04

Mouser Part No
523-85049/3614N04

Circular MIL Spec Backshells 36 Backshell Non Env-EMI/RFI

Datasheet

11In Stock

388,89 kr.

337,27 kr.

324,29 kr.

313,47 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 36 Backshell Non Env-EMI/RFI

M85049/3614N05
Amphenol PCD
1: 385,09 kr.
11In Stock

Mfr. Part No.
M85049/3614N05

Mouser Part No
523-85049/3614N05

Circular MIL Spec Backshells 36 Backshell Non Env-EMI/RFI

Datasheet

11In Stock

385,09 kr.

383,59 kr.

361,81 kr.

340,55 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

M85049/3616N04
Amphenol PCD
1: 440,96 kr.
25In Stock

Mfr. Part No.
M85049/3616N04

Mouser Part No
523-85049/3616N04

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

Datasheet

25In Stock

440,96 kr.

394,71 kr.

335,40 kr.

307,28 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

M85049/3616N05
Amphenol PCD
1: 409,55 kr.
12In Stock

Mfr. Part No.
M85049/3616N05

Mouser Part No
523-85049/3616N05

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

Datasheet

12In Stock

409,55 kr.

360,09 kr.

346,22 kr.

334,73 kr.

316,23 kr.

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

M85049/3616N06
Amphenol PCD
1: 481,84 kr.
20In Stock

Mfr. Part No.
M85049/3616N06

Mouser Part No
523-85049/3616N06

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

Datasheet

20In Stock

481,84 kr.

434,17 kr.

356,81 kr.

330,70 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 22

M85049/3622N06
Amphenol PCD
1: 454,69 kr.
5In Stock

Mfr. Part No.
M85049/3622N06

Mouser Part No
523-85049/3622N06

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 22

Datasheet

5In Stock

454,69 kr.

386,50 kr.

362,26 kr.

344,95 kr.

333,31 kr.

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC

M85049/6-12N
Amphenol PCD
1: 364,12 kr.
12In Stock

Mfr. Part No.
M85049/6-12N

Mouser Part No
523-85049/6-12N

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC

Datasheet

12In Stock

364,12 kr.

315,78 kr.

303,62 kr.

293,48 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC

M85049/6-17N
Amphenol PCD
1: 411,49 kr.
19In Stock

Mfr. Part No.
M85049/6-17N

Mouser Part No
523-85049/6-17N

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC

Datasheet

19In Stock

411,49 kr.

361,81 kr.

347,93 kr.

336,30 kr.

317,72 kr.

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 9

M85049/78-09N02
Amphenol PCD
1: 437,90 kr.
5In Stock
25Expected 16/03/2026

Mfr. Part No.
M85049/78-09N02

Mouser Part No
523-85049/78-09N02

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 9

Datasheet

5In Stock

25Expected 16/03/2026

437,90 kr.

369,12 kr.

366,66 kr.

323,47 kr.

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 19

M85049/78-19N03
Amphenol PCD
1: 432,83 kr.
6In Stock
5Expected 26/03/2026

Mfr. Part No.
M85049/78-19N03

Mouser Part No
523-85049/78-19N03

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 19

Datasheet

6In Stock

5Expected 26/03/2026

432,83 kr.

410,52 kr.

370,69 kr.

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 21

M85049/78-21N07
Amphenol PCD
1: 529,88 kr.
5In Stock

Mfr. Part No.
M85049/78-21N07

Mouser Part No
523-85049/78-21N07

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 21

Datasheet

5In Stock

529,88 kr.

469,98 kr.

436,19 kr.

419,63 kr.

414,78 kr.

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 21

M85049/78-21N08
Amphenol PCD
1: 562,11 kr.
11In Stock

Mfr. Part No.
M85049/78-21N08

Mouser Part No
523-85049/78-21N08

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 21

Datasheet

11In Stock

562,11 kr.

523,10 kr.

476,84 kr.

476,47 kr.

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 25

M85049/78-25N10
Amphenol PCD
1: 651,03 kr.
10In Stock

Mfr. Part No.
M85049/78-25N10

Mouser Part No
523-85049/78-25N10

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 25

Datasheet

10In Stock

651,03 kr.

553,46 kr.

518,77 kr.

494,00 kr.

493,55 kr.

Min.: 1
Mult.: 1

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

M85049/79-13N03
Amphenol PCD
1: 454,76 kr.
5In Stock
25Expected 09/03/2026

Mfr. Part No.
M85049/79-13N03

Mouser Part No
523-85049/79-13N03

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

Datasheet

5In Stock

25Expected 09/03/2026

454,76 kr.

418,88 kr.

393,52 kr.

392,47 kr.

View

Min.: 1
Mult.: 1

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

M85049/79-15N02
Amphenol PCD
1: 471,77 kr.
20In Stock

Mfr. Part No.
M85049/79-15N02

Mouser Part No
523-85049/79-15N02

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

Datasheet

20In Stock

471,77 kr.

410,15 kr.

View

Min.: 1
Mult.: 1

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

M85049/79-15N04
Amphenol PCD
1: 511,16 kr.
20In Stock

Mfr. Part No.
M85049/79-15N04

Mouser Part No
523-85049/79-15N04

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

Datasheet

20In Stock

511,16 kr.

510,04 kr.

488,26 kr.

454,46 kr.

View

Min.: 1
Mult.: 1

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

M85049/79-15N05
Amphenol PCD
1: 678,56 kr.
12In Stock
25Expected 23/03/2026

Mfr. Part No.
M85049/79-15N05

Mouser Part No
523-85049/79-15N05

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

Datasheet

12In Stock

25Expected 23/03/2026

678,56 kr.

563,90 kr.

479,23 kr.

401,50 kr.

Min.: 1
Mult.: 1