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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 NON ENV EMI/RFI ST OD CAD

M85049/25-76W
Amphenol PCD
1: 1.051,56 kr.
15In Stock

Mfr. Part No.
M85049/25-76W

Mouser Part No
523-85049/25-76W

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

Datasheet

15In Stock

1.051,56 kr.

975,62 kr.

891,54 kr.

879,76 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST CAD SZ 14

M85049/31-14W
Amphenol PCD
1: 97,43 kr.
442In Stock
700Expected 09/03/2026

Mfr. Part No.
M85049/31-14W

Mouser Part No
523-85049/31-14W

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST CAD SZ 14

Datasheet

442In Stock

700Expected 09/03/2026

97,43 kr.

82,81 kr.

77,66 kr.

73,93 kr.

View

Min.: 1
Mult.: 1

No

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

M85049/3618W07
Amphenol PCD
1: 413,58 kr.
25In Stock

Mfr. Part No.
M85049/3618W07

Mouser Part No
523-85049/3618W07

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

Datasheet

25In Stock

413,58 kr.

368,52 kr.

359,50 kr.

357,18 kr.

Quote

Min.: 1
Mult.: 1

No

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

M85049/6-23W
Amphenol PCD
1: 761,52 kr.
17In Stock

Mfr. Part No.
M85049/6-23W

Mouser Part No
523-85049/6-23W

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

Datasheet

17In Stock

761,52 kr.

709,37 kr.

656,03 kr.

649,47 kr.

View

Min.: 1
Mult.: 1

No

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

M85049/6-30W
Amphenol PCD
1: 1.138,10 kr.
27In Stock

Mfr. Part No.
M85049/6-30W

Mouser Part No
523-85049/6-30W

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

Datasheet

27In Stock

1.138,10 kr.

982,63 kr.

946,45 kr.

Min.: 1
Mult.: 1

No

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

M85049/6-63W
Amphenol PCD
1: 761,52 kr.
21In Stock

Mfr. Part No.
M85049/6-63W

Mouser Part No
523-85049/6-63W

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

Datasheet

21In Stock

761,52 kr.

709,37 kr.

656,03 kr.

649,47 kr.

View

Min.: 1
Mult.: 1

No

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

M85049/76-12W04
Amphenol PCD
1: 525,41 kr.
25In Stock

Mfr. Part No.
M85049/76-12W04

Mouser Part No
523-85049/76-12W04

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

Datasheet

25In Stock

525,41 kr.

502,51 kr.

475,05 kr.

454,61 kr.

View

Min.: 1
Mult.: 1

No

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

M85049/76-16W04
Amphenol PCD
1: 538,69 kr.
20In Stock

Mfr. Part No.
M85049/76-16W04

Mouser Part No
523-85049/76-16W04

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

Datasheet

20In Stock

538,69 kr.

513,92 kr.

445,51 kr.

443,12 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 78 Backshell Env-EMI/RFI

M85049/78-25W08
Amphenol PCD
1: 804,64 kr.
17In Stock

Mfr. Part No.
M85049/78-25W08

Mouser Part No
523-85049/78-25W08

Circular MIL Spec Backshells 78 Backshell Env-EMI/RFI

Datasheet

17In Stock

804,64 kr.

741,97 kr.

588,74 kr.

550,77 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 9

M85049/79-09W02
Amphenol PCD
1: 513,55 kr.
25In Stock

Mfr. Part No.
M85049/79-09W02

Mouser Part No
523-85049/79-09W02

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 9

Datasheet

25In Stock

513,55 kr.

475,05 kr.

430,29 kr.

377,33 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 11

M85049/79-11W02
Amphenol PCD
1: 499,75 kr.
25In Stock
50Expected 26/06/2026

Mfr. Part No.
M85049/79-11W02

Mouser Part No
523-85049/79-11W02

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 11

Datasheet

25In Stock

50Expected 26/06/2026

499,75 kr.

465,06 kr.

420,45 kr.

409,85 kr.

View

Min.: 1
Mult.: 1

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

M85049/79-13W02
Amphenol PCD
1: 706,76 kr.
49In Stock

Mfr. Part No.
M85049/79-13W02

Mouser Part No
523-85049/79-13W02

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

Datasheet

49In Stock

706,76 kr.

654,39 kr.

536,90 kr.

436,71 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

M85049/79-15W03
Amphenol PCD
1: 561,14 kr.
52In Stock

Mfr. Part No.
M85049/79-15W03

Mouser Part No
523-85049/79-15W03

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

Datasheet

52In Stock

561,14 kr.

504,74 kr.

485,35 kr.

469,08 kr.

443,27 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

M85049/79-15W04
Amphenol PCD
1: 577,11 kr.
23In Stock

Mfr. Part No.
M85049/79-15W04

Mouser Part No
523-85049/79-15W04

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

Datasheet

23In Stock

577,11 kr.

526,60 kr.

482,07 kr.

439,69 kr.

428,65 kr.

Min.: 1
Mult.: 1

No

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

M85049/79-15W05
Amphenol PCD
1: 506,68 kr.
39In Stock

Mfr. Part No.
M85049/79-15W05

Mouser Part No
523-85049/79-15W05

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

Datasheet

39In Stock

506,68 kr.

464,31 kr.

452,97 kr.

441,78 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

M85049/79-17W06
Amphenol PCD
1: 600,08 kr.
20In Stock

Mfr. Part No.
M85049/79-17W06

Mouser Part No
523-85049/79-17W06

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

Datasheet

20In Stock

600,08 kr.

550,10 kr.

470,13 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 19

M85049/79-19W03
Amphenol PCD
1: 542,79 kr.
25In Stock

Mfr. Part No.
M85049/79-19W03

Mouser Part No
523-85049/79-19W03

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 19

Datasheet

25In Stock

542,79 kr.

527,87 kr.

505,64 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 19

M85049/79-19W04
Amphenol PCD
1: 736,23 kr.
33In Stock

Mfr. Part No.
M85049/79-19W04

Mouser Part No
523-85049/79-19W04

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 19

Datasheet

33In Stock

736,23 kr.

598,37 kr.

479,01 kr.

440,51 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 19

M85049/79-19W05
Amphenol PCD
1: 846,64 kr.
33In Stock

Mfr. Part No.
M85049/79-19W05

Mouser Part No
523-85049/79-19W05

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 19

Datasheet

33In Stock

846,64 kr.

823,66 kr.

653,27 kr.

500,19 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 21

M85049/79-21W03
Amphenol PCD
1: 592,85 kr.
25In Stock

Mfr. Part No.
M85049/79-21W03

Mouser Part No
523-85049/79-21W03

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 21

Datasheet

25In Stock

592,85 kr.

551,07 kr.

503,85 kr.

502,51 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 21

M85049/79-21W04
Amphenol PCD
1: 563,90 kr.
22In Stock

Mfr. Part No.
M85049/79-21W04

Mouser Part No
523-85049/79-21W04

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 21

Datasheet

22In Stock

563,90 kr.

512,20 kr.

501,54 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 21

M85049/79-21W05
Amphenol PCD
1: 717,20 kr.
22In Stock

Mfr. Part No.
M85049/79-21W05

Mouser Part No
523-85049/79-21W05

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 21

Datasheet

22In Stock

717,20 kr.

659,31 kr.

536,15 kr.

501,16 kr.

464,09 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

M85049/79-21W06
Amphenol PCD
1: 503,18 kr.
59In Stock

Mfr. Part No.
M85049/79-21W06

Mouser Part No
523-85049/79-21W06

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

Datasheet

59In Stock

503,18 kr.

474,08 kr.

473,26 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 21

M85049/79-21W08
Amphenol PCD
1: 654,69 kr.
36In Stock

Mfr. Part No.
M85049/79-21W08

Mouser Part No
523-85049/79-21W08

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 21

Datasheet

36In Stock

654,69 kr.

597,02 kr.

574,05 kr.

554,87 kr.

524,29 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 23

M85049/79-23W05
Amphenol PCD
1: 554,95 kr.
23In Stock

Mfr. Part No.
M85049/79-23W05

Mouser Part No
523-85049/79-23W05

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 23

Datasheet

23In Stock

554,95 kr.

497,88 kr.

496,09 kr.

Min.: 1
Mult.: 1

No