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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 NIC SZ 14

M85049/1714N02
Amphenol PCD
1: £47.66
54In Stock

Mfr. Part No.
M85049/1714N02

Mouser Part No
523-85049/1714N02

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

Datasheet

54In Stock

£47.66

£41.33

£39.73

£38.39

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 17

M85049/1817N06
Amphenol PCD
1: £48.30
170In Stock

Mfr. Part No.
M85049/1817N06

Mouser Part No
523-85049/1817N06

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 17

Datasheet

170In Stock

£48.30

£43.57

£41.59

£39.72

Min.: 1
Mult.: 1

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

M85049/10-17N
Amphenol PCD
1: £59.29
106In Stock

Mfr. Part No.
M85049/10-17N

Mouser Part No
523-85049/10-17N

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

Datasheet

106In Stock

£59.29

£53.33

£46.98

Quote

Min.: 1
Mult.: 1

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

M85049/79-19N03
Amphenol PCD
1: £61.89
23In Stock

Mfr. Part No.
M85049/79-19N03

Mouser Part No
523-85049/79-19N03

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

Datasheet

23In Stock

£61.89

£55.66

£53.52

£51.73

£48.88

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 62GB Connector

AIA500112000010AA04
Amphenol LTD
1: £122.56
15In Stock

Mfr. Part No.
AIA500112000010AA04

Mouser Part No
523-AIA500112010AA04

Circular MIL Spec Backshells 62GB Connector

Datasheet

15In Stock

£122.56

£105.82

£102.03

£101.25

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-39W
Amphenol PCD
1: £56.66
21In Stock

Mfr. Part No.
M85049/11-39W

Mouser Part No
523-85049/11-39W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

Datasheet

21In Stock

£56.66

£52.83

£48.08

£47.77

£47.67

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 17

M85049/1817W05A
Amphenol PCD
1: £43.72
24In Stock

Mfr. Part No.
M85049/1817W05A

Mouser Part No
523-85049/1817W05A

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 17

Datasheet

24In Stock

£43.72

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 17

M85049/1917W05
Amphenol PCD
1: £59.98
47In Stock

Mfr. Part No.
M85049/1917W05

Mouser Part No
523-85049/1917W05

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 17

Datasheet

47In Stock

£59.98

£54.31

£48.16

£43.49

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/82-16ZP03
Amphenol PCD
1: £47.15
1In Stock

Mfr. Part No.
M85049/82-16ZP03

Mouser Part No
523-M85049/82-16ZP03

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 3

Datasheet

1In Stock

£47.15

£40.89

£39.32

£38.00

View

Min.: 1
Mult.: 1

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

M85049/1710W03
Amphenol PCD
1: £51.16
32In Stock

Mfr. Part No.
M85049/1710W03

Mouser Part No
523-85049/1710W03

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

Datasheet

32In Stock

£51.16

£44.98

£43.25

£41.80

£39.49

Min.: 1
Mult.: 1

No

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

M85049/1716W03
Amphenol PCD
1: £54.55
31In Stock

Mfr. Part No.
M85049/1716W03

Mouser Part No
523-85049/1716W03

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

Datasheet

31In Stock

£54.55

£48.49

£46.62

£45.06

£42.58

Min.: 1
Mult.: 1

No

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

M85049/10-43W
Amphenol PCD
1: £59.32
23In Stock

Mfr. Part No.
M85049/10-43W

Mouser Part No
523-85049/10-43W

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

Datasheet

23In Stock

£59.32

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-11W
Amphenol PCD
1: £71.60
25In Stock

Mfr. Part No.
M85049/11-11W

Mouser Part No
523-85049/11-11W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

Datasheet

25In Stock

£71.60

£65.30

£57.82

£57.61

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL NON ENV ST OD CAD SZ 15

M85049/2115W05
Amphenol PCD
1: £37.93
37In Stock

Mfr. Part No.
M85049/2115W05

Mouser Part No
523-85049/2115W05

Circular MIL Spec Backshells BACKSHELL NON ENV ST OD CAD SZ 15

Datasheet

37In Stock

£37.93

£32.39

£31.13

£30.10

View

Min.: 1
Mult.: 1

No

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

M85049/8-54W
Amphenol PCD
1: £49.46
33In Stock

Mfr. Part No.
M85049/8-54W

Mouser Part No
523-85049/8-54W

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

Datasheet

33In Stock

£49.46

£43.49

£41.82

£40.42

£38.19

Min.: 1
Mult.: 1

No

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

M85049/10-57W
Amphenol PCD
1: £76.98
22In Stock

Mfr. Part No.
M85049/10-57W

Mouser Part No
523-85049/10-57W

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

Datasheet

22In Stock

£76.98

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 11 Backshell Env

M85049/11-112W
Amphenol PCD
1: £52.96
79In Stock

Mfr. Part No.
M85049/11-112W

Mouser Part No
523-85049/11-112W

Circular MIL Spec Backshells 11 Backshell Env

Datasheet

79In Stock

£52.96

£48.13

£45.10

£40.52

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-63W
Amphenol PCD
1: £99.85
31In Stock

Mfr. Part No.
M85049/11-63W

Mouser Part No
523-85049/11-63W

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

Datasheet

31In Stock

£99.85

£91.63

£88.11

£85.17

£80.46

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL

A850498811Z03
Amphenol PCD
1: £40.92
23In Stock

Mfr. Part No.
A850498811Z03

Mouser Part No
523-A850498811Z03

Circular MIL Spec Backshells BACKSHELL

Datasheet

23In Stock

£40.92

£34.94

£33.60

£32.48

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 25

M85049/79-25W06
Amphenol PCD
1: £62.08
44In Stock

Mfr. Part No.
M85049/79-25W06

Mouser Part No
523-85049/79-25W06

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 25

Datasheet

44In Stock

£62.08

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

M85049/79-25W07
Amphenol PCD
1: £63.29
21In Stock

Mfr. Part No.
M85049/79-25W07

Mouser Part No
523-85049/79-25W07

Circular MIL Spec Backshells 79 Backshell Env-EMI/RFI

Datasheet

21In Stock

£63.29

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 32

M85049/10-63W
Amphenol PCD
1: £121.48
26In Stock

Mfr. Part No.
M85049/10-63W

Mouser Part No
523-85049/10-63W

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 32

Datasheet

26In Stock

£121.48

£111.48

£108.55

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 25

M85049/79-25W08
Amphenol PCD
1: £85.28
50In Stock

Mfr. Part No.
M85049/79-25W08

Mouser Part No
523-85049/79-25W08

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A OD CAD SZ 25

Datasheet

50In Stock

£85.28

£78.27

£75.26

£72.75

£68.72

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells 95 Backshell Mounting flange

A850499518A
Amphenol PCD
1: £20.89
25In Stock

Mfr. Part No.
A850499518A

Mouser Part No
523-A850499518A

Circular MIL Spec Backshells 95 Backshell Mounting flange

Datasheet

25In Stock

£20.89

£17.75

£16.87

£16.33

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

M85049/82-08ZP03
Amphenol PCD
1: £41.11
3In Stock
25Expected 08/06/2026

Mfr. Part No.
M85049/82-08ZP03

Mouser Part No
523-M85049/82-08ZP03

Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

Datasheet

3In Stock

25Expected 08/06/2026

£41.11

£35.64

£34.27

£33.13

View

Min.: 1
Mult.: 1