Circular MIL Spec Connectors

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MIL-DTL Backshells

Sunbank Backshells meet MIL-DTL-38999, MIL-DTL-26482 series II, MIL-DTL-83723, and MIL-DTL-5015 specifications and are available in environmental and non-environmental options, as well as EMI / RFI shielding. Sunbank Backshells enhance the performance capabilities of the connectors for both general duty and severe environment applications. Applications include military, aeronautical, and advanced industrial applications with specific climatic, mechanical, or electrical requirements.

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Types of Circular MIL Spec Connectors

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Part #

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/49-2-8W
Sunbank / Souriau
1: $67.19
45In Stock

Mfr. Part #
M85049/49-2-8W

Mouser Part #
649-M85049/49-2-8W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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Datasheet

45In Stock

$67.19

$58.41

$55.89

$54.07

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Backshells Backshell

M85049/88-19W03
Sunbank / Souriau
1: $93.04
69In Stock

Mfr. Part #
M85049/88-19W03

Mouser Part #
649-M85049/88-19W03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

69In Stock

$93.04

$80.68

$77.59

$74.98

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Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell

M85049/1911W02
Sunbank / Souriau
1: $149.59
21In Stock

Mfr. Part #
M85049/1911W02

Mouser Part #
649-M85049/1911W02

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

21In Stock

$149.59

$136.41

$131.16

$126.78

$119.78

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/39S13N
Sunbank / Souriau
1: $66.50
44In Stock

Mfr. Part #
M85049/39S13N

Mouser Part #
649-M85049/39S13N

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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Datasheet

44In Stock

$66.50

$57.83

$55.32

$53.52

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Backshells Backshell

M85049/90-15N02
Sunbank / Souriau
1: $147.48
38In Stock

Mfr. Part #
M85049/90-15N02

Mouser Part #
649-M85049/90-15N02

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

38In Stock

$147.48

$134.50

$129.33

$124.99

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

90 Deg

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/49-2-18W
Sunbank / Souriau
1: $71.77
49In Stock

Mfr. Part #
M85049/49-2-18W

Mouser Part #
649-M85049/49-2-18W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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Datasheet

49In Stock

$71.77

$62.40

$59.70

$57.76

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/52-1-24N
Sunbank / Souriau
1: $64.90
48In Stock

Mfr. Part #
M85049/52-1-24N

Mouser Part #
649-M85049/52-1-24N

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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Datasheet

48In Stock

$64.90

$56.43

$54.00

$52.24

View

Min.: 1
Mult.: 1

Strain Reliefs

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

Straight

Circular MIL Spec Backshells Backshell

M85049/189W02
Sunbank / Souriau
1: $246.90
39In Stock

Mfr. Part #
M85049/189W02

Mouser Part #
649-M85049/189W02

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

39In Stock

$246.90

$226.58

$217.87

$210.59

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/38S15W
Sunbank / Souriau
1: $124.33
54In Stock

Mfr. Part #
M85049/38S15W

Mouser Part #
649-M85049/38S15W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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Datasheet

54In Stock

$124.33

$110.52

$106.27

$102.70

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/91-17M
Sunbank / Souriau
1: $228.60
32In Stock

Mfr. Part #
M85049/91-17M

Mouser Part #
649-M85049/91-17M

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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Datasheet

32In Stock

$228.60

$209.81

$201.73

$194.99

Quote

Min.: 1
Mult.: 1

Cable Clamps

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Backshells Backshell

M85049/10-17W
Sunbank / Souriau
1: $233.97
32In Stock

Mfr. Part #
M85049/10-17W

Mouser Part #
649-M85049/10-17W

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

32In Stock

$233.97

$214.72

$206.47

$199.56

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

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

Straight

Circular MIL Spec Backshells Backshell

M85049/1811W03A
Sunbank / Souriau
1: $218.28
51In Stock

Mfr. Part #
M85049/1811W03A

Mouser Part #
649-M85049/1811W03A

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

51In Stock

$218.28

$200.32

$192.61

$186.16

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/39-9N
Sunbank / Souriau
1: $75.80
42In Stock
6Expected 2026-04-27

Mfr. Part #
M85049/39-9N

Mouser Part #
649-M85049/39-9N

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

42In Stock

6Expected 2026-04-27

$75.80

$65.91

$63.06

$61.01

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/60-2G10A
Sunbank / Souriau
1: $87.24
162In Stock

Mfr. Part #
M85049/60-2G10A

Mouser Part #
649-M85049/60-2G10A

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

162In Stock

$87.24

$75.64

$72.73

$70.30

View

Min.: 1
Mult.: 1

Shrink Boot Adapters

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

Straight

Circular MIL Spec Backshells Backshell

M85049/1913W04
Sunbank / Souriau
1: $156.15
34In Stock

Mfr. Part #
M85049/1913W04

Mouser Part #
649-M85049/1913W04

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

34In Stock

$156.15

$142.40

$136.92

$132.34

View

Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/38S23W
Sunbank / Souriau
1: $76.91
47In Stock

Mfr. Part #
M85049/38S23W

Mouser Part #
649-M85049/38S23W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

47In Stock

$76.91

$66.87

$63.98

$61.91

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/49-2-16N
Sunbank / Souriau
1: $70.79
51In Stock

Mfr. Part #
M85049/49-2-16N

Mouser Part #
649-M85049/49-2-16N

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

51In Stock

$70.79

$61.55

$58.88

$56.97

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Backshells Backshell

M85049/90-15W02
Sunbank / Souriau
1: $127.47
49In Stock

Mfr. Part #
M85049/90-15W02

Mouser Part #
649-M85049/90-15W02

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

49In Stock

$127.47

$113.31

$108.95

$105.29

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

90 Deg

Circular MIL Spec Backshells Backshell

M85049/31-20W
Sunbank / Souriau
1: $71.16
64In Stock

Mfr. Part #
M85049/31-20W

Mouser Part #
649-M85049/31-20W

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

64In Stock

$71.16

$61.88

$59.20

$57.28

View

Min.: 1
Mult.: 1

E Nuts

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

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/60-2G10W
Sunbank / Souriau
1: $86.98
52In Stock

Mfr. Part #
M85049/60-2G10W

Mouser Part #
649-M85049/60-2G10W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

52In Stock

$86.98

$75.43

$72.52

$70.08

View

Min.: 1
Mult.: 1

Shrink Boot Adapters

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

Straight

Circular MIL Spec Backshells Backshell

M85049/1813N04
Sunbank / Souriau
1: $204.80
25In Stock

Mfr. Part #
M85049/1813N04

Mouser Part #
649-M85049/1813N04

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

25In Stock

$204.80

$187.95

$180.72

$174.67

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell

M85049/79-17W06
Sunbank / Souriau
1: $264.50
26In Stock
24Expected 2026-04-27

Mfr. Part #
M85049/79-17W06

Mouser Part #
649-M85049/79-17W06

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

26In Stock

24Expected 2026-04-27

$264.50

$228.38

$220.19

$218.58

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

90 Deg

Circular MIL Spec Backshells Backshell

M85049/11-31W
Sunbank / Souriau
1: $183.86
11In Stock

Mfr. Part #
M85049/11-31W

Mouser Part #
649-M85049/11-31W

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

11In Stock

$183.86

$167.67

$161.22

$155.82

View

Min.: 1
Mult.: 1

Environmental Backshells

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

Straight

Circular MIL Spec Backshells Backshell

M85049/1817W04
Sunbank / Souriau
1: $215.52
6In Stock

Mfr. Part #
M85049/1817W04

Mouser Part #
649-M85049/1817W04

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

6In Stock

$215.52

$197.80

$190.20

$183.82

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/38S17W
Sunbank / Souriau
1: $77.40
34In Stock
1On Order

Mfr. Part #
M85049/38S17W

Mouser Part #
649-M85049/38S17W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

34In Stock

1On Order

$77.40

$67.29

$64.38

$62.29

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

MIL-DTL Backshells

Types of Circular MIL Spec Connectors

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