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 Backshells Backshell

M85049/82-18W02
Sunbank / Souriau
1: $116.32
20In Stock

Mfr. Part #
M85049/82-18W02

Mouser Part #
649-M85049/82-18W02

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

20In Stock

$116.32

$103.40

$99.42

$96.09

$90.78

Min.: 1
Mult.: 1

Band Lock Adapters

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

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/52S12W
Sunbank / Souriau
1: $73.39
20In Stock

Mfr. Part #
M85049/52S12W

Mouser Part #
649-M85049/52S12W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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Datasheet

20In Stock

$73.39

$62.67

$60.26

$58.24

View

Min.: 1
Mult.: 1

Strain Reliefs

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

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/52S8W
Sunbank / Souriau
1: $74.57
30In Stock
7Expected 2026-05-28

Mfr. Part #
M85049/52S8W

Mouser Part #
649-M85049/52S8W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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Datasheet

30In Stock

7Expected 2026-05-28

$74.57

$63.69

$61.23

$59.17

View

Min.: 1
Mult.: 1

Strain Reliefs

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

Straight

Circular MIL Spec Backshells Backshell

M85049/1819W05
Sunbank / Souriau
1: $214.96
11In Stock

Mfr. Part #
M85049/1819W05

Mouser Part #
649-M85049/1819W05

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

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Datasheet

11In Stock

$214.96

$197.28

$189.70

$183.39

View

Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/52-1-32N
Sunbank / Souriau
1: $78.33
39In Stock
Factory Special Order

Mfr. Part #
M85049/52-1-32N

Mouser Part #
649-M85049/52-1-32N

Factory Special Order

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

39In Stock

$78.33

$66.88

$64.32

View

Min.: 1
Mult.: 1

Strain Reliefs

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

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/38S21W
Souriau
1: $126.61
7In Stock

Mfr. Part #
M85049/38S21W

Mouser Part #
649-M85049/38S21W

Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

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7In Stock

$126.61

$88.88

$83.93

$82.11

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell

M85049/90-9N03
Sunbank / Souriau
1: $121.54
47In Stock

Mfr. Part #
M85049/90-9N03

Mouser Part #
649-M85049/90-9N03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

47In Stock

$121.54

$109.55

$96.11

$96.01

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

90 Deg

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/38-17W
Sunbank / Souriau
1: $81.39
45In Stock
1Expected 2026-03-27

Mfr. Part #
M85049/38-17W

Mouser Part #
649-M85049/38-17W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

45In Stock

1Expected 2026-03-27

$81.39

$69.50

$66.82

$64.59

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/38S19W
Sunbank / Souriau
1: $83.81
37In Stock
7Expected 2026-03-27

Mfr. Part #
M85049/38S19W

Mouser Part #
649-M85049/38S19W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

37In Stock

7Expected 2026-03-27

$83.81

$73.62

$62.94

$61.97

Quote

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/39S15N
Sunbank / Souriau
1: $68.32
54In Stock

Mfr. Part #
M85049/39S15N

Mouser Part #
649-M85049/39S15N

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

54In Stock

$68.32

$60.43

$51.35

$50.23

Quote

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/39S15W
Sunbank / Souriau
1: $78.36
48In Stock

Mfr. Part #
M85049/39S15W

Mouser Part #
649-M85049/39S15W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

48In Stock

$78.36

$66.91

$64.33

$62.18

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/49-2-16N
Sunbank / Souriau
1: $73.99
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

$73.99

$64.15

$54.51

$53.86

Quote

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/49-2-18W
Sunbank / Souriau
1: $75.00
49In Stock

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

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

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

49In Stock

$75.00

$65.04

$55.26

$54.60

Quote

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/49-2-22N
Sunbank / Souriau
1: $107.42
28In Stock

Mfr. Part #
M85049/49-2-22N

Mouser Part #
649-M85049/49-2-22N

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

28In Stock

$107.42

$94.46

$90.83

$87.79

$82.94

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/60-1W10
Sunbank / Souriau
1: $97.01
39In Stock

Mfr. Part #
M85049/60-1W10

Mouser Part #
649-M85049/60-1W10

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

39In Stock

$97.01

$85.99

$74.62

Min.: 1
Mult.: 1

Shrink Boot Adapters

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

Straight

Circular MIL Spec Backshells Backshell

M85049/82-10W03
Sunbank / Souriau
1: $105.38
33In Stock

Mfr. Part #
M85049/82-10W03

Mouser Part #
649-M85049/82-10W03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

33In Stock

$105.38

$92.67

$92.65

$81.17

Min.: 1
Mult.: 1

Band Lock Adapters

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

Straight

Circular MIL Spec Backshells Backshell

M85049/88-15W03
Sunbank / Souriau
1: $90.37
56In Stock

Mfr. Part #
M85049/88-15W03

Mouser Part #
649-M85049/88-15W03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

56In Stock

$90.37

$79.19

$68.06

$66.80

Quote

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell

M85049/88-17W03
Sunbank / Souriau
1: $96.57
118In Stock

Mfr. Part #
M85049/88-17W03

Mouser Part #
649-M85049/88-17W03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

118In Stock

$96.57

$85.62

$74.28

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell

M85049/88-25W02
Sunbank / Souriau
1: $107.16
34In Stock
5Expected 2027-02-03

Mfr. Part #
M85049/88-25W02

Mouser Part #
649-M85049/88-25W02

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

34In Stock

5Expected 2027-02-03

$107.16

$94.76

$82.57

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell

M85049/88-25W03
Sunbank / Souriau
1: $122.14
47In Stock

Mfr. Part #
M85049/88-25W03

Mouser Part #
649-M85049/88-25W03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

47In Stock

$122.14

$108.82

$95.42

$95.34

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell

M85049/88-9W03
Sunbank / Souriau
1: $92.99
108In Stock

Mfr. Part #
M85049/88-9W03

Mouser Part #
649-M85049/88-9W03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

108In Stock

$92.99

$81.42

$70.12

$68.75

Quote

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell

M85049/90-17N03
Sunbank / Souriau
1: $111.76
27In Stock

Mfr. Part #
M85049/90-17N03

Mouser Part #
649-M85049/90-17N03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

27In Stock

$111.76

$99.35

$95.52

$92.33

$87.23

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

90 Deg

Circular MIL Spec Backshells Backshell

M85049/90-9W03
Sunbank / Souriau
1: $102.71
25In Stock

Mfr. Part #
M85049/90-9W03

Mouser Part #
649-M85049/90-9W03

Sunbank / Souriau

Circular MIL Spec Backshells Backshell

Learn More

Datasheet

25In Stock

$102.71

$90.32

$90.10

$80.08

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

90 Deg

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/38-11N
Sunbank / Souriau
1: $100.65
5In Stock
50Expected 2026-12-18

Mfr. Part #
M85049/38-11N

Mouser Part #
649-M85049/38-11N

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

5In Stock

50Expected 2026-12-18

$100.65

$88.51

$85.10

$82.26

$77.72

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Backshell

M85049/38-21W
Sunbank / Souriau
1: $72.54
6In Stock
50On Order

Mfr. Part #
M85049/38-21W

Mouser Part #
649-M85049/38-21W

Sunbank / Souriau

Circular MIL Spec Strain Reliefs & Adapters Backshell

Learn More

Datasheet

6In Stock

50On Order

$72.54

$61.95

$59.57

$57.58

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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