Connectors – Mouser Singapore

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Backshell Clamps

Amphenol PCD Backshell Clamps help to tidy up the cable after termination and provide strain relief at the termination area. The clamps are offered in environmental and non-environmental options, as well as EMI/RFI. The components are available in black zinc nickel, adding to the existing finishes in olive drab gray cadmium, tin, or nickel with a variety of shell sizes 11 through 48. Amphenol PCD Backshell Clamps meet MIL-DTL-38999, MIL-DTL-26482 Series II, MIL-DTL-83723 Series I and II, MIL-DTL-24308, and MIL-DTL-83513.

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Part #

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

M85049/11-63W
Amphenol PCD
1: $162.26
18In Stock

Mfr. Part No.
M85049/11-63W

Mouser Part No
523-85049/11-63W

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV ST OD CAD

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Datasheet

18In Stock

$162.26

$162.25

$158.20

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 08

M85049/1708W02
Amphenol PCD
1: $80.38
37In Stock

Mfr. Part No.
M85049/1708W02

Mouser Part No
523-85049/1708W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 08

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Datasheet

37In Stock

$80.38

$74.85

$73.41

$68.50

$65.24

Min.: 1
Mult.: 1

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

M85049/1710W03
Amphenol PCD
1: $95.80
49In Stock

Mfr. Part No.
M85049/1710W03

Mouser Part No
523-85049/1710W03

Amphenol PCD

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

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Datasheet

49In Stock

$95.80

$76.32

$73.82

$72.69

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Min.: 1
Mult.: 1

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

M85049/1716W06
Amphenol PCD
1: $145.41
31In Stock

Mfr. Part No.
M85049/1716W06

Mouser Part No
523-85049/1716W06

Amphenol PCD

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

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Datasheet

31In Stock

$145.41

$97.48

$95.69

$91.46

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Min.: 1
Mult.: 1

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

M85049/1722W06
Amphenol PCD
1: $117.14
47In Stock

Mfr. Part No.
M85049/1722W06

Mouser Part No
523-85049/1722W06

Amphenol PCD

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

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Datasheet

47In Stock

$117.14

$104.15

$103.88

$101.78

Min.: 1
Mult.: 1

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

M85049/1811W03
Amphenol PCD
1: $78.88
283In Stock
250Expected 10/9/2026

Mfr. Part No.
M85049/1811W03

Mouser Part No
523-85049/1811W03

Amphenol PCD

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

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Datasheet

283In Stock

250Expected 10/9/2026

$78.88

$74.64

$74.62

$68.46

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1813W03
Amphenol PCD
1: $77.72
215In Stock
350On Order

Mfr. Part No.
M85049/1813W03

Mouser Part No
523-85049/1813W03

Amphenol PCD

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

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Datasheet

215In Stock

350On Order

$77.72

$68.95

$64.63

$58.66

$58.60

Min.: 1
Mult.: 1

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

M85049/1815W04
Amphenol PCD
1: $102.07
39In Stock
150On Order

Mfr. Part No.
M85049/1815W04

Mouser Part No
523-85049/1815W04

Amphenol PCD

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

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Datasheet

39In Stock

150On Order

$102.07

$86.77

$81.33

$77.45

$73.75

Min.: 1
Mult.: 1

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

M85049/1815W05
Amphenol PCD
1: $100.16
135In Stock

Mfr. Part No.
M85049/1815W05

Mouser Part No
523-85049/1815W05

Amphenol PCD

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

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Datasheet

135In Stock

$100.16

$89.16

$83.57

$79.57

$75.79

Min.: 1
Mult.: 1

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

M85049/1817W03
Amphenol PCD
1: $96.19
36In Stock
50Expected 8/10/2026

Mfr. Part No.
M85049/1817W03

Mouser Part No
523-85049/1817W03

Amphenol PCD

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

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Datasheet

36In Stock

50Expected 8/10/2026

$96.19

$84.13

$78.87

$75.10

$71.52

Min.: 1
Mult.: 1

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

M85049/1817W06
Amphenol PCD
1: $92.62
38In Stock
150On Order

Mfr. Part No.
M85049/1817W06

Mouser Part No
523-85049/1817W06

Amphenol PCD

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

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Datasheet

38In Stock

150On Order

$92.62

$87.50

$87.49

$84.42

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Min.: 1
Mult.: 1

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

M85049/1817W06A
Amphenol PCD
1: $97.78
26In Stock

Mfr. Part No.
M85049/1817W06A

Mouser Part No
523-85049/1817W06A

Amphenol PCD

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

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Datasheet

26In Stock

$97.78

$89.15

$89.13

$81.63

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Min.: 1
Mult.: 1

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

M85049/1819W04
Amphenol PCD
1: $104.92
34In Stock
50Expected 6/10/2026

Mfr. Part No.
M85049/1819W04

Mouser Part No
523-85049/1819W04

Amphenol PCD

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

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Datasheet

34In Stock

50Expected 6/10/2026

$104.92

$89.19

$83.60

$79.61

$75.82

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1819W06
Amphenol PCD
1: $187.90
33In Stock

Mfr. Part No.
M85049/1819W06

Mouser Part No
523-85049/1819W06

Amphenol PCD

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

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Datasheet

33In Stock

$187.90

$186.44

$186.43

$115.04

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Min.: 1
Mult.: 1

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

M85049/1819W07
Amphenol PCD
1: $229.79
59In Stock

Mfr. Part No.
M85049/1819W07

Mouser Part No
523-85049/1819W07

Amphenol PCD

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

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Datasheet

59In Stock

$229.79

$223.67

$218.89

$134.27

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Min.: 1
Mult.: 1

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

M85049/1819W07A
Amphenol PCD
1: $111.94
49In Stock

Mfr. Part No.
M85049/1819W07A

Mouser Part No
523-85049/1819W07A

Amphenol PCD

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

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Datasheet

49In Stock

$111.94

$95.88

$91.70

$85.61

$81.53

Min.: 1
Mult.: 1

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

M85049/1821W03
Amphenol PCD
1: $100.60
24In Stock
25Expected 7/10/2026

Mfr. Part No.
M85049/1821W03

Mouser Part No
523-85049/1821W03

Amphenol PCD

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

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Datasheet

24In Stock

25Expected 7/10/2026

$100.60

$88.01

$85.26

$80.73

$76.88

Min.: 1
Mult.: 1

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

M85049/1821W04
Amphenol PCD
1: $108.30
43In Stock

Mfr. Part No.
M85049/1821W04

Mouser Part No
523-85049/1821W04

Amphenol PCD

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

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Datasheet

43In Stock

$108.30

$92.06

$86.29

$82.17

$78.25

Min.: 1
Mult.: 1

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

M85049/1821W06
Amphenol PCD
1: $112.35
30In Stock
50Expected 8/10/2026

Mfr. Part No.
M85049/1821W06

Mouser Part No
523-85049/1821W06

Amphenol PCD

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

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Datasheet

30In Stock

50Expected 8/10/2026

$112.35

$95.50

$93.27

$85.24

$81.18

Min.: 1
Mult.: 1

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

M85049/1821W07
Amphenol PCD
1: $105.39
96In Stock

Mfr. Part No.
M85049/1821W07

Mouser Part No
523-85049/1821W07

Amphenol PCD

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

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Datasheet

96In Stock

$105.39

$97.20

$95.12

$91.94

$82.66

Min.: 1
Mult.: 1

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

M85049/1821W08
Amphenol PCD
1: $111.30
38In Stock

Mfr. Part No.
M85049/1821W08

Mouser Part No
523-85049/1821W08

Amphenol PCD

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

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Datasheet

38In Stock

$111.30

$97.40

$94.57

$88.37

$84.16

Min.: 1
Mult.: 1

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

M85049/1823W06
Amphenol PCD
1: $114.32
43In Stock

Mfr. Part No.
M85049/1823W06

Mouser Part No
523-85049/1823W06

Amphenol PCD

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

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Datasheet

43In Stock

$114.32

$100.08

$95.53

$90.97

$86.63

Min.: 1
Mult.: 1

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

M85049/1823W08
Amphenol PCD
1: $117.72
39In Stock

Mfr. Part No.
M85049/1823W08

Mouser Part No
523-85049/1823W08

Amphenol PCD

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

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Datasheet

39In Stock

$117.72

$104.23

$98.98

$94.26

$89.77

Min.: 1
Mult.: 1

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

M85049/1823W09
Amphenol PCD
1: $129.19
22In Stock
25Expected 28/10/2026

Mfr. Part No.
M85049/1823W09

Mouser Part No
523-85049/1823W09

Amphenol PCD

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

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Datasheet

22In Stock

25Expected 28/10/2026

$129.19

$109.74

$102.87

$96.03

$91.46

Min.: 1
Mult.: 1

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

M85049/1825W04
Amphenol PCD
1: $119.75
29In Stock
25Expected 1/10/2026

Mfr. Part No.
M85049/1825W04

Mouser Part No
523-85049/1825W04

Amphenol PCD

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

Learn More

Datasheet

29In Stock

25Expected 1/10/2026

$119.75

$102.92

$96.46

$91.87

$87.49

Min.: 1
Mult.: 1

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