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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 88 Backshell Band Lock

M85049/88-17W03
Amphenol PCD
1: 351,52 kr.
355In Stock
275Expected 11/05/2026

Mfr. Part No.
M85049/88-17W03

Mouser Part No
523-85049/88-17W03

Circular MIL Spec Backshells 88 Backshell Band Lock

Datasheet

355In Stock

275Expected 11/05/2026

351,52 kr.

312,35 kr.

297,88 kr.

245,14 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 19

M85049/88-19W02
Amphenol PCD
1: 372,18 kr.
93In Stock

Mfr. Part No.
M85049/88-19W02

Mouser Part No
523-85049/88-19W02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 19

Datasheet

93In Stock

372,18 kr.

331,22 kr.

256,77 kr.

255,51 kr.

249,16 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 19

M85049/88-19W03
Amphenol PCD
1: 300,49 kr.
64In Stock
100Expected 09/03/2026

Mfr. Part No.
M85049/88-19W03

Mouser Part No
523-85049/88-19W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 19

Datasheet

64In Stock

100Expected 09/03/2026

300,49 kr.

262,07 kr.

248,34 kr.

237,60 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 21

M85049/88-21W02
Amphenol PCD
1: 359,42 kr.
90In Stock

Mfr. Part No.
M85049/88-21W02

Mouser Part No
523-85049/88-21W02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 21

Datasheet

90In Stock

359,42 kr.

305,49 kr.

283,85 kr.

272,66 kr.

257,67 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 21

M85049/88-21W03
Amphenol PCD
1: 327,57 kr.
68In Stock
100Expected 23/03/2026

Mfr. Part No.
M85049/88-21W03

Mouser Part No
523-85049/88-21W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 21

Datasheet

68In Stock

100Expected 23/03/2026

327,57 kr.

250,21 kr.

246,78 kr.

237,15 kr.

Quote

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 23

M85049/88-23W02
Amphenol PCD
1: 383,15 kr.
53In Stock

Mfr. Part No.
M85049/88-23W02

Mouser Part No
523-85049/88-23W02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 23

Datasheet

53In Stock

383,15 kr.

325,70 kr.

305,26 kr.

276,84 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 88 Backshell Band Lock

M85049/88-23W03
Amphenol PCD
1: 295,64 kr.
257In Stock

Mfr. Part No.
M85049/88-23W03

Mouser Part No
523-85049/88-23W03

Circular MIL Spec Backshells 88 Backshell Band Lock

Datasheet

257In Stock

295,64 kr.

279,15 kr.

264,83 kr.

254,09 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 88 Backshell Band Lock

M85049/88-25W02
Amphenol PCD
1: 345,55 kr.
50In Stock

Mfr. Part No.
M85049/88-25W02

Mouser Part No
523-85049/88-25W02

Circular MIL Spec Backshells 88 Backshell Band Lock

Datasheet

50In Stock

345,55 kr.

296,39 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 89 Backshell Band Lock

M85049/89-11W03
Amphenol PCD
1: 477,89 kr.
30In Stock

Mfr. Part No.
M85049/89-11W03

Mouser Part No
523-85049/89-11W03

Circular MIL Spec Backshells 89 Backshell Band Lock

Datasheet

30In Stock

477,89 kr.

344,95 kr.

300,56 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 21

M85049/89-21W02
Amphenol PCD
1: 480,50 kr.
26In Stock

Mfr. Part No.
M85049/89-21W02

Mouser Part No
523-85049/89-21W02

Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 21

Datasheet

26In Stock

480,50 kr.

437,60 kr.

394,71 kr.

373,67 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 89 Backshell Band Lock

M85049/89-25W02
Amphenol PCD
1: 540,63 kr.
25In Stock

Mfr. Part No.
M85049/89-25W02

Mouser Part No
523-85049/89-25W02

Circular MIL Spec Backshells 89 Backshell Band Lock

Datasheet

25In Stock

540,63 kr.

496,84 kr.

451,78 kr.

407,54 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 89 Backshell Band Lock

M85049/89-9W03
Amphenol PCD
1: 406,72 kr.
38In Stock

Mfr. Part No.
M85049/89-9W03

Mouser Part No
523-85049/89-9W03

Circular MIL Spec Backshells 89 Backshell Band Lock

Datasheet

38In Stock

406,72 kr.

363,15 kr.

325,48 kr.

291,09 kr.

291,01 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV R/A OD CAD

M85049/9-26W
Amphenol PCD
1: 807,99 kr.
21In Stock

Mfr. Part No.
M85049/9-26W

Mouser Part No
523-85049/9-26W

Circular MIL Spec Backshells BACKSHELL ENV R/A OD CAD

Datasheet

21In Stock

807,99 kr.

752,04 kr.

696,99 kr.

689,08 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 15

M85049/90-15W03
Amphenol PCD
1: 388,07 kr.
36In Stock
100Expected 23/04/2026

Mfr. Part No.
M85049/90-15W03

Mouser Part No
523-85049/90-15W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 15

Datasheet

36In Stock

100Expected 23/04/2026

388,07 kr.

346,59 kr.

333,54 kr.

318,39 kr.

308,32 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 17

M85049/90-17W02
Amphenol PCD
1: 497,43 kr.
30In Stock
50Expected 06/04/2026

Mfr. Part No.
M85049/90-17W02

Mouser Part No
523-85049/90-17W02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 17

Datasheet

30In Stock

50Expected 06/04/2026

497,43 kr.

463,79 kr.

407,32 kr.

407,24 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 17

M85049/90-17W03
Amphenol PCD
1: 549,95 kr.
64In Stock

Mfr. Part No.
M85049/90-17W03

Mouser Part No
523-85049/90-17W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 17

Datasheet

64In Stock

549,95 kr.

498,40 kr.

454,84 kr.

415,90 kr.

383,37 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 19

M85049/90-19W02
Amphenol PCD
1: 534,21 kr.
26In Stock

Mfr. Part No.
M85049/90-19W02

Mouser Part No
523-85049/90-19W02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 19

Datasheet

26In Stock

534,21 kr.

454,16 kr.

425,67 kr.

405,38 kr.

397,62 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 19

M85049/90-19W03
Amphenol PCD
1: 610,15 kr.
54In Stock

Mfr. Part No.
M85049/90-19W03

Mouser Part No
523-85049/90-19W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 19

Datasheet

54In Stock

610,15 kr.

569,05 kr.

482,29 kr.

446,70 kr.

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 23

M85049/90-23W02
Amphenol PCD
1: 720,19 kr.
25In Stock

Mfr. Part No.
M85049/90-23W02

Mouser Part No
523-85049/90-23W02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 23

Datasheet

25In Stock

720,19 kr.

656,11 kr.

482,96 kr.

452,23 kr.

443,50 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 23

M85049/90-23W03
Amphenol PCD
1: 590,01 kr.
22In Stock

Mfr. Part No.
M85049/90-23W03

Mouser Part No
523-85049/90-23W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 23

Datasheet

22In Stock

590,01 kr.

501,91 kr.

470,43 kr.

447,97 kr.

443,50 kr.

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR RA OD CAD SZ 9

M85049/90-9W03
Amphenol PCD
1: 393,37 kr.
31In Stock
75Expected 23/04/2026

Mfr. Part No.
M85049/90-9W03

Mouser Part No
523-85049/90-9W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR RA OD CAD SZ 9

Datasheet

31In Stock

75Expected 23/04/2026

393,37 kr.

364,57 kr.

360,91 kr.

357,26 kr.

Min.: 1
Mult.: 1

No

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

M85049/1815Z03
Amphenol PCD
1: 482,44 kr.
75In Stock

Mfr. Part No.
M85049/1815Z03

Mouser Part No
523-M850491815Z03

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

Datasheet

75In Stock

482,44 kr.

428,88 kr.

412,31 kr.

398,59 kr.

View

Min.: 1
Mult.: 1

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

M85049/1817Z04
Amphenol PCD
1: 501,46 kr.
53In Stock

Mfr. Part No.
M85049/1817Z04

Mouser Part No
523-M850491817Z04

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

Datasheet

53In Stock

501,46 kr.

439,92 kr.

391,65 kr.

377,48 kr.

Min.: 1
Mult.: 1

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

M85049/1821Z05
Amphenol PCD
1: 513,99 kr.
25In Stock

Mfr. Part No.
M85049/1821Z05

Mouser Part No
523-M850491821Z05

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

Datasheet

25In Stock

513,99 kr.

462,30 kr.

409,93 kr.

View

Min.: 1
Mult.: 1

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

M85049/1825Z09
Amphenol PCD
1: 620,30 kr.
19In Stock

Mfr. Part No.
M85049/1825Z09

Mouser Part No
523-M850491825Z09

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

Datasheet

19In Stock

620,30 kr.

576,14 kr.

View

Min.: 1
Mult.: 1