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 BND LCK 45 DEG ADPTR CAD SZ 23

M85049/89-23W03
Amphenol PCD
1: $73.84
570In Stock

Mfr. Part No.
M85049/89-23W03

Mouser Part No
523-85049/89-23W03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 23

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Datasheet

570In Stock

$73.84

$66.86

$64.03

$61.98

$58.62

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 09

M85049/1809N01
Amphenol PCD
1: $53.35
36In Stock
25Expected 2026/10/08

Mfr. Part No.
M85049/1809N01

Mouser Part No
523-85049/1809N01

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 09

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Datasheet

36In Stock

25Expected 2026/10/08

$53.35

$48.47

$46.17

$44.74

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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 20

M85049/10-31N
Amphenol PCD
1: $87.98
50In Stock

Mfr. Part No.
M85049/10-31N

Mouser Part No
523-85049/10-31N

Amphenol PCD

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

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Datasheet

50In Stock

$87.98

$86.05

$83.39

$72.16

$66.47

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

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

Straight

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A NIC SZ 12

M85049/84-12N03
Amphenol PCD
1: $70.71
55In Stock

Mfr. Part No.
M85049/84-12N03

Mouser Part No
523-85049/84-12N03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A NIC SZ 12

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Datasheet

55In Stock

$70.71

$61.12

$54.47

$53.50

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Min.: 1
Mult.: 1

Band Lock Adapters

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

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

$64.28

$61.78

$59.62

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPT NIC SZ 15

M85049/89-15N02
Amphenol PCD
1: $58.27
35In Stock

Mfr. Part No.
M85049/89-15N02

Mouser Part No
523-85049/89-15N02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPT NIC SZ 15

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Datasheet

35In Stock

$58.27

$52.07

$49.45

$46.59

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Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

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

M85049/10-25N
Amphenol PCD
1: $86.79
31In Stock

Mfr. Part No.
M85049/10-25N

Mouser Part No
523-85049/10-25N

Amphenol PCD

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

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Datasheet

31In Stock

$86.79

$77.34

$77.33

$72.37

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

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

Straight

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

M85049/1921N05
Amphenol PCD
1: $66.23
33In Stock

Mfr. Part No.
M85049/1921N05

Mouser Part No
523-85049/1921N05

Amphenol PCD

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

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Datasheet

33In Stock

$66.23

$57.44

$57.09

$51.40

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

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

M85049/10-19N
Amphenol PCD
1: $116.92
20In Stock

Mfr. Part No.
M85049/10-19N

Mouser Part No
523-85049/10-19N

Amphenol PCD

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

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Datasheet

20In Stock

$116.92

$106.62

$104.20

$99.12

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

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

Straight

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A NIC SIZE 18

M85049/51-1-18N
Amphenol PCD
1: $17.28
195In Stock

Mfr. Part No.
M85049/51-1-18N

Mouser Part No
523-85049/51-1-18N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A NIC SIZE 18

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Datasheet

195In Stock

$17.28

$15.91

$15.34

$14.36

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Min.: 1
Mult.: 1

Strain Reliefs

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

Right Angle

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 9

M85049/78-09N02
Amphenol PCD
1: $70.48
27In Stock

Mfr. Part No.
M85049/78-09N02

Mouser Part No
523-85049/78-09N02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 9

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Datasheet

27In Stock

$70.48

$60.96

$54.44

$54.42

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Circular MIL Spec Backshells 89 Backshell Band Lock

M85049/89-9N03
Amphenol PCD
1: $45.10
44In Stock

Mfr. Part No.
M85049/89-9N03

Mouser Part No
523-85049/89-9N03

Amphenol PCD

Circular MIL Spec Backshells 89 Backshell Band Lock

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Datasheet

44In Stock

$45.10

$44.67

$41.27

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

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

M85049/1714N02
Amphenol PCD
1: $62.69
53In Stock

Mfr. Part No.
M85049/1714N02

Mouser Part No
523-85049/1714N02

Amphenol PCD

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

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Datasheet

53In Stock

$62.69

$53.80

$52.92

$51.15

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Strain Reliefs & Adapters 51 Backshell Strain Relief Clamp

M85049/51S12N
Amphenol PCD
1: $27.53
76In Stock

Mfr. Part No.
M85049/51S12N

Mouser Part No
523-85049/51S12N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 51 Backshell Strain Relief Clamp

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Datasheet

76In Stock

$27.53

$23.40

$21.56

$19.97

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Min.: 1
Mult.: 1

Strain Reliefs

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

Right Angle

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-13N
Amphenol PCD
1: $59.77
42In Stock

Mfr. Part No.
M85049/11-13N

Mouser Part No
523-85049/11-13N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

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Datasheet

42In Stock

$59.77

$52.81

$50.94

$49.32

View

Min.: 1
Mult.: 1

Environmental Backshells

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

Straight

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-19N
Amphenol PCD
1: $94.08
50In Stock

Mfr. Part No.
M85049/11-19N

Mouser Part No
523-85049/11-19N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

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Datasheet

50In Stock

$94.08

$83.12

$80.18

$76.94

$70.76

Min.: 1
Mult.: 1

Environmental Backshells

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

Straight

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

M85049/1819N07
Amphenol PCD
1: $70.20
48In Stock

Mfr. Part No.
M85049/1819N07

Mouser Part No
523-85049/1819N07

Amphenol PCD

Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI

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Datasheet

48In Stock

$70.20

$63.48

$59.41

$56.66

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 23

M85049/1823N09
Amphenol PCD
1: $83.12
46In Stock

Mfr. Part No.
M85049/1823N09

Mouser Part No
523-85049/1823N09

Amphenol PCD

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

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Datasheet

46In Stock

$83.12

$72.51

$69.50

$66.69

$61.64

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: $74.02
71In 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

71In Stock

$74.02

$67.59

$61.65

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 23

M85049/1923N08
Amphenol PCD
1: $73.69
47In 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

Learn More

Datasheet

47In Stock

$73.69

$64.97

$57.99

$55.23

View

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: $42.94
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

$42.94

$37.33

$34.11

$33.49

View

Min.: 1
Mult.: 1

Non-Environmental Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 9

M85049/1909W02
Amphenol PCD
1: $67.36
82In Stock
100Expected 2026/12/09

Mfr. Part No.
M85049/1909W02

Mouser Part No
523-85049/1909W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 9

Learn More

Datasheet

82In Stock

100Expected 2026/12/09

$67.36

$57.25

$53.61

$47.52

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 OD CAD

M85049/25-112W
Amphenol PCD
1: $74.79
24In Stock

Mfr. Part No.
M85049/25-112W

Mouser Part No
523-85049/25-112W

Amphenol PCD

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

Learn More

Datasheet

24In Stock

$74.79

$66.49

$64.98

$64.58

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

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

Straight

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

M85049/25-11W
Amphenol PCD
1: $91.33
25In Stock

Mfr. Part No.
M85049/25-11W

Mouser Part No
523-85049/25-11W

Amphenol PCD

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

Learn More

Datasheet

25In Stock

$91.33

$83.43

$83.42

$82.43

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

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

Straight

Circular MIL Spec Strain Reliefs & Adapters 82 Backshell Band Lock

M85049/82-14Z02
Amphenol PCD
1: $57.48
64In Stock

Mfr. Part No.
M85049/82-14Z02

Mouser Part No
523-M8504982-14Z02

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 82 Backshell Band Lock

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Datasheet

64In Stock

$57.48

$49.85

$43.31

View

Min.: 1
Mult.: 1

Adapters

MIL-DTL-26482 II

Straight

Backshell Clamps

Types of Circular MIL Spec Connectors

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