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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 EMI/ RFI ST NIC SZ 15

M85049/1815N03
Amphenol PCD
1: $54.54
25Expected 2026/04/15

Mfr. Part No.
M85049/1815N03

Mouser Part No
523-85049/1815N03

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

Datasheet

25Expected 2026/04/15

$54.54

$49.83

$46.76

Min.: 1
Mult.: 1

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

M85049/1817N02
Amphenol PCD
1: $64.81
5In Stock

Mfr. Part No.
M85049/1817N02

Mouser Part No
523-85049/1817N02

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

Datasheet

5In Stock

$64.81

$60.02

$52.08

$50.04

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1817N03
Amphenol PCD
1: $54.00
22In Stock

Mfr. Part No.
M85049/1817N03

Mouser Part No
523-85049/1817N03

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

Datasheet

22In Stock

$54.00

$50.59

$48.44

Min.: 1
Mult.: 1

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

M85049/1817N05
Amphenol PCD
1: $72.64
47In Stock

Mfr. Part No.
M85049/1817N05

Mouser Part No
523-85049/1817N05

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

Datasheet

47In Stock

$72.64

$66.30

$60.80

$54.25

View

Min.: 1
Mult.: 1

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

M85049/1819N04
Amphenol PCD
1: $68.42
9In Stock

Mfr. Part No.
M85049/1819N04

Mouser Part No
523-85049/1819N04

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

Datasheet

9In Stock

$68.42

$60.16

$57.84

$55.91

$52.84

Min.: 1
Mult.: 1

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

M85049/1819N05B
Amphenol PCD
1: $71.85
21In Stock

Mfr. Part No.
M85049/1819N05B

Mouser Part No
523-85049/1819N05B

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

Datasheet

21In Stock

$71.85

$66.91

$58.59

$56.09

View

Min.: 1
Mult.: 1

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

M85049/1819N06
Amphenol PCD
1: $71.19
24In Stock

Mfr. Part No.
M85049/1819N06

Mouser Part No
523-85049/1819N06

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

Datasheet

24In Stock

$71.19

$65.63

$56.81

$55.56

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1819N07
Amphenol PCD
1: $72.98
22In Stock

Mfr. Part No.
M85049/1819N07

Mouser Part No
523-85049/1819N07

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

Datasheet

22In Stock

$72.98

$68.62

$60.10

$56.36

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1821N04
Amphenol PCD
1: $73.07
4In Stock

Mfr. Part No.
M85049/1821N04

Mouser Part No
523-85049/1821N04

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

Datasheet

4In Stock

$73.07

$66.20

$56.79

$55.87

View

Min.: 1
Mult.: 1

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

M85049/1821N06
Amphenol PCD
1: $69.91
12In Stock

Mfr. Part No.
M85049/1821N06

Mouser Part No
523-85049/1821N06

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

Datasheet

12In Stock

$69.91

$64.84

$59.85

$53.68

View

Min.: 1
Mult.: 1

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

M85049/1823N03
Amphenol PCD
1: $70.09
10In Stock
50On Order

Mfr. Part No.
M85049/1823N03

Mouser Part No
523-85049/1823N03

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

Datasheet

10In Stock

50On Order

$70.09

$62.45

$56.55

$54.09

Min.: 1
Mult.: 1

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

M85049/1823N08
Amphenol PCD
1: $80.49
19In Stock

Mfr. Part No.
M85049/1823N08

Mouser Part No
523-85049/1823N08

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

Datasheet

19In Stock

$80.49

$74.04

$67.20

$63.58

View

Min.: 1
Mult.: 1

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

M85049/1825N07A
Amphenol PCD
1: $84.72
6In Stock

Mfr. Part No.
M85049/1825N07A

Mouser Part No
523-85049/1825N07A

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

Datasheet

6In Stock

$84.72

$79.25

$70.27

$66.93

View

Min.: 1
Mult.: 1

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

M85049/1825N09
Amphenol PCD
1: $86.41
10In Stock

Mfr. Part No.
M85049/1825N09

Mouser Part No
523-85049/1825N09

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

Datasheet

10In Stock

$86.41

$79.36

$72.25

$72.23

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

M85049/1911N03
Amphenol PCD
1: $56.51
12In Stock
175On Order

Mfr. Part No.
M85049/1911N03

Mouser Part No
523-85049/1911N03

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

Datasheet

12In Stock

175On Order

$56.51

$49.00

$47.11

$45.54

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 13

M85049/1913N03
Amphenol PCD
1: $57.79
31In Stock

Mfr. Part No.
M85049/1913N03

Mouser Part No
523-85049/1913N03

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 13

Datasheet

31In Stock

$57.79

$49.11

$42.75

$41.72

$40.66

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 15

M85049/1915N04
Amphenol PCD
1: $54.65
24In Stock

Mfr. Part No.
M85049/1915N04

Mouser Part No
523-85049/1915N04

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 15

Datasheet

24In Stock

$54.65

$51.68

$44.29

$44.28

$43.39

Min.: 1
Mult.: 1

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

M85049/1917N03
Amphenol PCD
1: $61.05
25In Stock
25Expected 2026/05/11

Mfr. Part No.
M85049/1917N03

Mouser Part No
523-85049/1917N03

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

Datasheet

25In Stock

25Expected 2026/05/11

$61.05

$54.57

$48.81

$46.49

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

M85049/1917N06
Amphenol PCD
1: $53.30
17In Stock
25Expected 2026/03/09

Mfr. Part No.
M85049/1917N06

Mouser Part No
523-85049/1917N06

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

Datasheet

17In Stock

25Expected 2026/03/09

$53.30

$47.72

Min.: 1
Mult.: 1

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

M85049/1917N06A
Amphenol PCD
1: $65.37
14In Stock

Mfr. Part No.
M85049/1917N06A

Mouser Part No
523-85049/1917N06A

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

Datasheet

14In Stock

$65.37

$62.20

$58.43

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 19

M85049/1919N04
Amphenol PCD
1: $61.94
29In Stock

Mfr. Part No.
M85049/1919N04

Mouser Part No
523-85049/1919N04

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 19

Datasheet

29In Stock

$61.94

$52.65

$49.35

$47.00

$44.83

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

M85049/1919N06
Amphenol PCD
1: $64.29
25In Stock

Mfr. Part No.
M85049/1919N06

Mouser Part No
523-85049/1919N06

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

Datasheet

25In Stock

$64.29

$59.57

$50.76

$49.28

$46.65

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 21

M85049/1921N04
Amphenol PCD
1: $60.73
16In Stock
25Expected 2026/03/09

Mfr. Part No.
M85049/1921N04

Mouser Part No
523-85049/1921N04

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 21

Datasheet

16In Stock

25Expected 2026/03/09

$60.73

$58.41

$56.59

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 21

M85049/1921N05
Amphenol PCD
1: $72.26
25In Stock

Mfr. Part No.
M85049/1921N05

Mouser Part No
523-85049/1921N05

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 21

Datasheet

25In Stock

$72.26

$66.37

$61.56

$59.44

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

M85049/1921N06
Amphenol PCD
1: $64.03
10In Stock
25Expected 2026/04/30

Mfr. Part No.
M85049/1921N06

Mouser Part No
523-85049/1921N06

Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI

Datasheet

10In Stock

25Expected 2026/04/30

$64.03

$62.15

$54.95

$52.01

View

Min.: 1
Mult.: 1