Connectors – Mouser Singapore

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Connectors

List Images

Results: 11,097

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Circular MIL Spec Backshells 31 Backshell Grommet Nut

M85049/31-8W
Amphenol PCD
1: $16.11
27In Stock

Mfr. Part No.
M85049/31-8W

Mouser Part No
523-85049/31-8W

Amphenol PCD

Circular MIL Spec Backshells 31 Backshell Grommet Nut

Learn More

Datasheet

27In Stock

$16.11

$13.41

$13.04

$12.61

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 12

M85049/31S12W
Amphenol PCD
1: $32.75
24In Stock

Mfr. Part No.
M85049/31S12W

Mouser Part No
523-85049/31S12W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 12

Learn More

Datasheet

24In Stock

$32.75

$28.70

$26.63

$23.92

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 14

M85049/31S14W
Amphenol PCD
1: $34.82
19In Stock
25Expected 20/5/2026

Mfr. Part No.
M85049/31S14W

Mouser Part No
523-85049/31S14W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 14

Learn More

Datasheet

19In Stock

25Expected 20/5/2026

$34.82

$31.04

$26.58

$25.17

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 18

M85049/31S18W
Amphenol PCD
1: $35.56
29In Stock

Mfr. Part No.
M85049/31S18W

Mouser Part No
523-85049/31S18W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 18

Learn More

Datasheet

29In Stock

$35.56

$31.28

$27.86

$26.13

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 20

M85049/31S20W
Amphenol PCD
1: $34.90
17In Stock

Mfr. Part No.
M85049/31S20W

Mouser Part No
523-85049/31S20W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 20

Learn More

Datasheet

17In Stock

$34.90

$30.52

$28.36

$27.62

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 22

M85049/31S22W
Amphenol PCD
1: $34.26
14In Stock

Mfr. Part No.
M85049/31S22W

Mouser Part No
523-85049/31S22W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL OD CAD SZ 22

Learn More

Datasheet

14In Stock

$34.26

$31.00

$28.65

$27.51

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 8

M85049/3608W02
Amphenol PCD
1: $69.21
8In Stock

Mfr. Part No.
M85049/3608W02

Mouser Part No
523-85049/3608W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 8

Learn More

Datasheet

8In Stock

$69.21

$65.51

$65.50

$63.75

View

Min.: 1
Mult.: 1

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

M85049/3610W03
Amphenol PCD
1: $94.46
22In Stock

Mfr. Part No.
M85049/3610W03

Mouser Part No
523-85049/3610W03

Amphenol PCD

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

Learn More

Datasheet

22In Stock

$94.46

$83.83

$71.24

$65.62

View

Min.: 1
Mult.: 1

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

M85049/3612W03
Amphenol PCD
1: $98.50
12In Stock

Mfr. Part No.
M85049/3612W03

Mouser Part No
523-85049/3612W03

Amphenol PCD

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

Learn More

Datasheet

12In Stock

$98.50

$88.15

$79.13

$78.26

View

Min.: 1
Mult.: 1

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

M85049/3614W02
Amphenol PCD
1: $87.40
19In Stock

Mfr. Part No.
M85049/3614W02

Mouser Part No
523-85049/3614W02

Amphenol PCD

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

Learn More

Datasheet

19In Stock

$87.40

$78.05

$69.92

$66.55

View

Min.: 1
Mult.: 1

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

M85049/3614W03
Amphenol PCD
1: $88.72
5In Stock

Mfr. Part No.
M85049/3614W03

Mouser Part No
523-85049/3614W03

Amphenol PCD

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

Learn More

Datasheet

5In Stock

$88.72

$75.42

$70.70

$67.32

$64.11

Min.: 1
Mult.: 1

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

M85049/3614W04
Amphenol PCD
1: $95.77
5In Stock

Mfr. Part No.
M85049/3614W04

Mouser Part No
523-85049/3614W04

Amphenol PCD

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

Learn More

Datasheet

5In Stock

$95.77

$86.46

$83.76

$75.20

View

Min.: 1
Mult.: 1

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

M85049/3614W05
Amphenol PCD
1: $94.19
15In Stock

Mfr. Part No.
M85049/3614W05

Mouser Part No
523-85049/3614W05

Amphenol PCD

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

Learn More

Datasheet

15In Stock

$94.19

$85.08

$76.56

$72.72

View

Min.: 1
Mult.: 1

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

M85049/3616W04
Amphenol PCD
1: $106.31
9In Stock

Mfr. Part No.
M85049/3616W04

Mouser Part No
523-85049/3616W04

Amphenol PCD

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

Learn More

Datasheet

9In Stock

$106.31

$94.53

$85.53

$84.04

View

Min.: 1
Mult.: 1

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

M85049/3616W06
Amphenol PCD
1: $114.33
12In Stock

Mfr. Part No.
M85049/3616W06

Mouser Part No
523-85049/3616W06

Amphenol PCD

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

Learn More

Datasheet

12In Stock

$114.33

$103.56

$93.16

$91.49

View

Min.: 1
Mult.: 1

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

M85049/3618W06
Amphenol PCD
1: $98.22
10In Stock

Mfr. Part No.
M85049/3618W06

Mouser Part No
523-85049/3618W06

Amphenol PCD

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

Learn More

Datasheet

10In Stock

$98.22

$88.72

$88.71

$88.60

View

Min.: 1
Mult.: 1

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

M85049/3618W07
Amphenol PCD
1: $99.19
23In Stock

Mfr. Part No.
M85049/3618W07

Mouser Part No
523-85049/3618W07

Amphenol PCD

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

Learn More

Datasheet

23In Stock

$99.19

$88.78

$88.77

$86.82

View

Min.: 1
Mult.: 1

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

M85049/3620W03
Amphenol PCD
1: $95.99
7In Stock

Mfr. Part No.
M85049/3620W03

Mouser Part No
523-85049/3620W03

Amphenol PCD

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

Learn More

Datasheet

7In Stock

$95.99

$84.41

$75.94

Min.: 1
Mult.: 1

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

M85049/3620W05
Amphenol PCD
1: $98.73
11In Stock

Mfr. Part No.
M85049/3620W05

Mouser Part No
523-85049/3620W05

Amphenol PCD

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

Learn More

Datasheet

11In Stock

$98.73

$87.76

$78.69

$76.32

View

Min.: 1
Mult.: 1

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

M85049/3620W06
Amphenol PCD
1: $105.64
15In Stock

Mfr. Part No.
M85049/3620W06

Mouser Part No
523-85049/3620W06

Amphenol PCD

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

Learn More

Datasheet

15In Stock

$105.64

$95.58

$95.56

$94.13

View

Min.: 1
Mult.: 1

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

M85049/3622W08A
Amphenol PCD
1: $113.62
21In Stock

Mfr. Part No.
M85049/3622W08A

Mouser Part No
523-85049/3622W08A

Amphenol PCD

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

Learn More

Datasheet

21In Stock

$113.62

$102.19

$90.43

View

Min.: 1
Mult.: 1

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

M85049/3624W04
Amphenol PCD
1: $109.75
1In Stock

Mfr. Part No.
M85049/3624W04

Mouser Part No
523-85049/3624W04

Amphenol PCD

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

Learn More

Datasheet

1In Stock

$109.75

$97.56

$93.80

$90.67

$85.67

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL

M85049/47W14
Amphenol PCD
1: $25.76
17In Stock
25Expected 1/6/2026

Mfr. Part No.
M85049/47W14

Mouser Part No
523-85049/47-14W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Learn More

Datasheet

17In Stock

25Expected 1/6/2026

$25.76

$24.56

$21.67

View

Min.: 1
Mult.: 1

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

M85049/6-11W
Amphenol PCD
1: $98.43
14In Stock

Mfr. Part No.
M85049/6-11W

Mouser Part No
523-85049/6-11W

Amphenol PCD

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

Learn More

Datasheet

14In Stock

$98.43

$88.10

$79.08

$71.43

View

Min.: 1
Mult.: 1

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

M85049/6-16W
Amphenol PCD
1: $91.57
8In Stock

Mfr. Part No.
M85049/6-16W

Mouser Part No
523-85049/6-16W

Amphenol PCD

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

Learn More

Datasheet

8In Stock

$91.57

$82.79

$74.39

$70.71

View

Min.: 1
Mult.: 1

Backshells

Types of Connectors

Customer Service Office

Company

Resources

Support