Circular MIL Spec Connectors – Mouser South Africa

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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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Types of Circular MIL Spec Connectors

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Part #

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

M85049/1823N05
Amphenol PCD
1: $76.27
39In Stock

Mfr. Part No.
M85049/1823N05

Mouser Part No
523-85049/1823N05

Amphenol PCD

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

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Datasheet

39In Stock

$76.27

$64.84

$60.78

$57.88

$56.30

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1825N04
Amphenol PCD
1: $84.65
40In Stock

Mfr. Part No.
M85049/1825N04

Mouser Part No
523-85049/1825N04

Amphenol PCD

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

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Datasheet

40In Stock

$84.65

$75.61

$67.17

$61.41

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1825N05
Amphenol PCD
1: $78.72
51In Stock
50Expected 2026/05/15

Mfr. Part No.
M85049/1825N05

Mouser Part No
523-85049/1825N05

Amphenol PCD

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

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Datasheet

51In Stock

50Expected 2026/05/15

$78.72

$67.69

$64.98

$61.87

$59.25

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1825N07
Amphenol PCD
1: $75.82
78In Stock

Mfr. Part No.
M85049/1825N07

Mouser Part No
523-85049/1825N07

Amphenol PCD

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

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Datasheet

78In Stock

$75.82

$70.05

$65.10

$62.21

$61.65

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1825N07B
Amphenol PCD
1: $86.41
23In Stock

Mfr. Part No.
M85049/1825N07B

Mouser Part No
523-85049/1825N07B

Amphenol PCD

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

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Datasheet

23In Stock

$86.41

$77.73

$74.75

$72.25

$68.26

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1825N08
Amphenol PCD
1: $84.72
59In Stock
50Expected 2026/05/18

Mfr. Part No.
M85049/1825N08

Mouser Part No
523-85049/1825N08

Amphenol PCD

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

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Datasheet

59In Stock

50Expected 2026/05/18

$84.72

$76.21

$74.62

$71.97

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1825N10
Amphenol PCD
1: $92.77
26In Stock

Mfr. Part No.
M85049/1825N10

Mouser Part No
523-85049/1825N10

Amphenol PCD

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

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Datasheet

26In Stock

$92.77

$85.02

$69.50

$67.19

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1913N02
Amphenol PCD
1: $62.17
75In Stock

Mfr. Part No.
M85049/1913N02

Mouser Part No
523-85049/1913N02

Amphenol PCD

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

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Datasheet

75In Stock

$62.17

$55.91

$49.47

$45.93

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1913N04
Amphenol PCD
1: $58.18
56In Stock
50Expected 2026/04/23

Mfr. Part No.
M85049/1913N04

Mouser Part No
523-85049/1913N04

Amphenol PCD

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

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Datasheet

56In Stock

50Expected 2026/04/23

$58.18

$49.46

$48.79

$47.16

$42.04

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1917N05
Amphenol PCD
1: $72.95
38In Stock
50Expected 2026/03/11

Mfr. Part No.
M85049/1917N05

Mouser Part No
523-85049/1917N05

Amphenol PCD

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

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Datasheet

38In Stock

50Expected 2026/03/11

$72.95

$65.70

$65.10

$54.25

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1919N07
Amphenol PCD
1: $65.56
60In Stock
100Expected 2026/03/05

Mfr. Part No.
M85049/1919N07

Mouser Part No
523-85049/1919N07

Amphenol PCD

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

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Datasheet

60In Stock

100Expected 2026/03/05

$65.56

$60.63

$56.96

$54.84

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1923N07
Amphenol PCD
1: $72.32
43In Stock

Mfr. Part No.
M85049/1923N07

Mouser Part No
523-85049/1923N07

Amphenol PCD

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

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Datasheet

43In Stock

$72.32

$67.33

$58.98

$56.45

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1923N08
Amphenol PCD
1: $73.48
25In Stock

Mfr. Part No.
M85049/1923N08

Mouser Part No
523-85049/1923N08

Amphenol PCD

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

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Datasheet

25In Stock

$73.48

$62.48

$62.46

$55.77

$54.06

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1925N05
Amphenol PCD
1: $65.55
45In Stock

Mfr. Part No.
M85049/1925N05

Mouser Part No
523-85049/1925N05

Amphenol PCD

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

Learn More

Datasheet

45In Stock

$65.55

$64.09

$64.08

$62.41

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1925N08
Amphenol PCD
1: $77.75
26In Stock

Mfr. Part No.
M85049/1925N08

Mouser Part No
523-85049/1925N08

Amphenol PCD

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

Learn More

Datasheet

26In Stock

$77.75

$69.84

$69.83

$67.94

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/1925N10
Amphenol PCD
1: $78.04
47In Stock
50Expected 2026/04/28

Mfr. Part No.
M85049/1925N10

Mouser Part No
523-85049/1925N10

Amphenol PCD

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

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Datasheet

47In Stock

50Expected 2026/04/28

$78.04

$68.01

$61.34

$60.19

$59.31

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 13

M85049/2113N03
Amphenol PCD
1: $46.87
46In Stock

Mfr. Part No.
M85049/2113N03

Mouser Part No
523-85049/2113N03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 13

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Datasheet

46In Stock

$46.87

$41.47

$39.08

$32.91

View

Min.: 1
Mult.: 1

Non-Environmental Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

M85049/25-29N
Amphenol PCD
1: $103.55
24In Stock

Mfr. Part No.
M85049/25-29N

Mouser Part No
523-85049/25-29N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NICKEL

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Datasheet

24In Stock

$103.55

$94.44

$90.80

$87.77

$82.92

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-5015, MIL-DTL-26482 II

Straight

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 11 STRAIN RELIEF NIC

M85049/38-11N
Amphenol PCD
1: $11.16
642In Stock
1,000Expected 2026/03/05

Mfr. Part No.
M85049/38-11N

Mouser Part No
523-85049/38-11N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 11 STRAIN RELIEF NIC

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Datasheet

642In Stock

1,000Expected 2026/03/05

$11.16

$10.32

$9.49

$8.51

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 13 STRAIN RELIEF NIC

M85049/38-13N
Amphenol PCD
1: $11.93
370In Stock
500Expected 2026/04/20

Mfr. Part No.
M85049/38-13N

Mouser Part No
523-85049/38-13N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 13 STRAIN RELIEF NIC

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Datasheet

370In Stock

500Expected 2026/04/20

$11.93

$10.69

$10.01

$9.54

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 15 STRAIN RELIEF BLACK

M85049/38-15A
Amphenol PCD
1: $13.62
172In Stock

Mfr. Part No.
M85049/38-15A

Mouser Part No
523-85049/38-15A

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 15 STRAIN RELIEF BLACK

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Datasheet

172In Stock

$13.62

$12.33

$11.90

$11.35

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 15 STRAIN RELIEF NIC

M85049/38-15N
Amphenol PCD
1: $12.20
827In Stock

Mfr. Part No.
M85049/38-15N

Mouser Part No
523-85049/38-15N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 15 STRAIN RELIEF NIC

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Datasheet

827In Stock

$12.20

$10.37

$9.71

$9.26

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

M85049/38-17N
Amphenol PCD
1: $11.89
510In Stock
500Expected 2026/05/29

Mfr. Part No.
M85049/38-17N

Mouser Part No
523-85049/38-17N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

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Datasheet

510In Stock

500Expected 2026/05/29

$11.89

$10.99

$9.61

$9.32

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 19 STRAIN RELIEF NIC

M85049/38-19N
Amphenol PCD
1: $11.91
203In Stock
475On Order

Mfr. Part No.
M85049/38-19N

Mouser Part No
523-85049/38-19N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 19 STRAIN RELIEF NIC

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Datasheet

203In Stock

475On Order

$11.91

$11.61

$11.19

$10.89

$9.42

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 23 STRAIN RELIEF NICKEL

M85049/38-23N
Amphenol PCD
1: $16.89
157In Stock
125Expected 2026/06/05

Mfr. Part No.
M85049/38-23N

Mouser Part No
523-85049/38-23N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 23 STRAIN RELIEF NICKEL

Learn More

Datasheet

157In Stock

125Expected 2026/06/05

$16.89

$15.04

$13.90

$13.10

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Backshell Clamps

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