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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 ENV EMI/ RFI ST OD CAD SZ 14

M85049/10-116W
Amphenol PCD
1: 642,90 kr.
16In Stock

Mfr. Part No.
M85049/10-116W

Mouser Part No
523-85049/10-116W

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

Datasheet

16In Stock

642,90 kr.

587,70 kr.

527,50 kr.

444,84 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 10

M85049/10-137W
Amphenol PCD
1: 514,59 kr.
5In Stock

Mfr. Part No.
M85049/10-137W

Mouser Part No
523-85049/10-137W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 10

Datasheet

5In Stock

514,59 kr.

462,82 kr.

410,30 kr.

406,42 kr.

Min.: 1
Mult.: 1

No

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

M85049/10-13W
Amphenol PCD
1: 464,09 kr.
6In Stock
25Expected 29/04/2026

Mfr. Part No.
M85049/10-13W

Mouser Part No
523-85049/10-13W

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

Datasheet

6In Stock

25Expected 29/04/2026

464,09 kr.

417,91 kr.

401,94 kr.

397,62 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 24

M85049/10-144W
Amphenol PCD
1: 727,05 kr.
25In Stock

Mfr. Part No.
M85049/10-144W

Mouser Part No
523-85049/10-144W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 24

Datasheet

25In Stock

727,05 kr.

667,30 kr.

641,63 kr.

620,22 kr.

585,91 kr.

Min.: 1
Mult.: 1

No

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

M85049/10-14W
Amphenol PCD
1: 554,65 kr.
12In Stock

Mfr. Part No.
M85049/10-14W

Mouser Part No
523-85049/10-14W

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

Datasheet

12In Stock

554,65 kr.

490,20 kr.

416,64 kr.

406,12 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 16

M85049/10-152W
Amphenol PCD
1: 572,33 kr.
24In Stock

Mfr. Part No.
M85049/10-152W

Mouser Part No
523-85049/10-152W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 16

Datasheet

24In Stock

572,33 kr.

532,42 kr.

485,87 kr.

485,05 kr.

View

Min.: 1
Mult.: 1

No

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

M85049/10-15W
Amphenol PCD
1: 902,51 kr.
12In Stock

Mfr. Part No.
M85049/10-15W

Mouser Part No
523-85049/10-15W

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

Datasheet

12In Stock

902,51 kr.

817,24 kr.

727,65 kr.

657,82 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 18

M85049/10-25W
Amphenol PCD
1: 613,73 kr.
14In Stock
25Expected 11/05/2026

Mfr. Part No.
M85049/10-25W

Mouser Part No
523-85049/10-25W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 18

Datasheet

14In Stock

25Expected 11/05/2026

613,73 kr.

561,22 kr.

511,16 kr.

474,31 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 18

M85049/10-27W
Amphenol PCD
1: 499,82 kr.
3In Stock

Mfr. Part No.
M85049/10-27W

Mouser Part No
523-85049/10-27W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 18

Datasheet

3In Stock

499,82 kr.

478,41 kr.

453,05 kr.

452,37 kr.

448,42 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 20

M85049/10-32W
Amphenol PCD
1: 698,70 kr.
2In Stock
25Expected 25/05/2026

Mfr. Part No.
M85049/10-32W

Mouser Part No
523-85049/10-32W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 20

Datasheet

2In Stock

25Expected 25/05/2026

698,70 kr.

631,71 kr.

575,61 kr.

528,02 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 10 Backshell Env-EMI/RFI

M85049/10-47W
Amphenol PCD
1: 803,07 kr.
8In Stock

Mfr. Part No.
M85049/10-47W

Mouser Part No
523-85049/10-47W

Circular MIL Spec Backshells 10 Backshell Env-EMI/RFI

Datasheet

8In Stock

803,07 kr.

711,46 kr.

604,63 kr.

554,87 kr.

550,62 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 28

M85049/10-55W
Amphenol PCD
1: 769,13 kr.
24In Stock

Mfr. Part No.
M85049/10-55W

Mouser Part No
523-85049/10-55W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 28

Datasheet

24In Stock

769,13 kr.

736,90 kr.

700,20 kr.

692,14 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 10 Backshell Env-EMI/RFI

M85049/10-65W
Amphenol PCD
1: 1.017,99 kr.
3In Stock
25Expected 18/05/2026

Mfr. Part No.
M85049/10-65W

Mouser Part No
523-85049/10-65W

Circular MIL Spec Backshells 10 Backshell Env-EMI/RFI

Datasheet

3In Stock

25Expected 18/05/2026

1.017,99 kr.

933,40 kr.

789,12 kr.

787,55 kr.

786,13 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 40

M85049/10-79W
Amphenol PCD
1: 1.374,06 kr.
19In Stock

Mfr. Part No.
M85049/10-79W

Mouser Part No
523-85049/10-79W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 40

Datasheet

19In Stock

1.374,06 kr.

1.279,09 kr.

1.279,02 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-10W
Amphenol PCD
1: 395,31 kr.
12In Stock

Mfr. Part No.
M85049/11-10W

Mouser Part No
523-85049/11-10W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

Datasheet

12In Stock

395,31 kr.

349,72 kr.

334,28 kr.

333,84 kr.

Quote

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD SZ 16

M85049/11-118W
Amphenol PCD
1: 471,77 kr.
20In Stock

Mfr. Part No.
M85049/11-118W

Mouser Part No
523-85049/11-118W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD SZ 16

Datasheet

20In Stock

471,77 kr.

431,41 kr.

398,21 kr.

372,25 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-154W
Amphenol PCD
1: 1.396,51 kr.
25In Stock

Mfr. Part No.
M85049/11-154W

Mouser Part No
523-85049/11-154W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

Datasheet

25In Stock

1.396,51 kr.

1.242,39 kr.

1.177,41 kr.

Quote

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 11 Backshell Env

M85049/11-15W
Amphenol PCD
1: 491,02 kr.
8In Stock

Mfr. Part No.
M85049/11-15W

Mouser Part No
523-85049/11-15W

Circular MIL Spec Backshells 11 Backshell Env

Datasheet

8In Stock

491,02 kr.

479,38 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 11 Backshell Env

M85049/11-17W
Amphenol PCD
1: 446,78 kr.
1In Stock
9On Order

Mfr. Part No.
M85049/11-17W

Mouser Part No
523-85049/11-17W

Circular MIL Spec Backshells 11 Backshell Env

Datasheet

1In Stock

9On Order

446,78 kr.

379,71 kr.

332,72 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-21W
Amphenol PCD
1: 553,46 kr.
21In Stock
25Expected 23/04/2026

Mfr. Part No.
M85049/11-21W

Mouser Part No
523-85049/11-21W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

Datasheet

21In Stock

25Expected 23/04/2026

553,46 kr.

486,47 kr.

437,75 kr.

353,16 kr.

346,29 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 45 Deg EMI/RFI Environmental Backshell

M85049/11-28W
Amphenol PCD
1: 491,32 kr.
1In Stock

Mfr. Part No.
M85049/11-28W

Mouser Part No
523-85049/11-28W

Circular MIL Spec Backshells 45 Deg EMI/RFI Environmental Backshell

Datasheet

1In Stock

491,32 kr.

447,15 kr.

404,85 kr.

383,52 kr.

Quote

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 11 Backshell Env

M85049/11-31W
Amphenol PCD
1: 573,30 kr.
2In Stock
25Expected 18/05/2026

Mfr. Part No.
M85049/11-31W

Mouser Part No
523-85049/11-31W

Circular MIL Spec Backshells 11 Backshell Env

Datasheet

2In Stock

25Expected 18/05/2026

573,30 kr.

524,51 kr.

427,68 kr.

396,95 kr.

375,39 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-41W
Amphenol PCD
1: 556,81 kr.
17In Stock

Mfr. Part No.
M85049/11-41W

Mouser Part No
523-85049/11-41W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

Datasheet

17In Stock

556,81 kr.

504,15 kr.

472,81 kr.

433,58 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-51W
Amphenol PCD
1: 834,85 kr.
7In Stock

Mfr. Part No.
M85049/11-51W

Mouser Part No
523-85049/11-51W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

Datasheet

7In Stock

834,85 kr.

500,64 kr.

469,23 kr.

446,85 kr.

442,30 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 11 Backshell Env

M85049/11-55W
Amphenol PCD
1: 675,58 kr.
1In Stock
25Expected 23/04/2026

Mfr. Part No.
M85049/11-55W

Mouser Part No
523-85049/11-55W

Circular MIL Spec Backshells 11 Backshell Env

Datasheet

1In Stock

25Expected 23/04/2026

675,58 kr.

587,92 kr.

534,66 kr.

Min.: 1
Mult.: 1

No