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Self Locking Circular Connectors

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Types of Circular Connectors

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Mating Style = Self Locking

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Part #

Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/88-25ZP02
Amphenol PCD
1: £56.64
53In Stock

Mfr. Part No.
M85049/88-25ZP02

Mouser Part No
523-M85049/88-25ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 2

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Datasheet

53In Stock

£56.64

£50.35

£50.20

£46.25

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 21 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/88-21ZP02
Amphenol PCD
1: £50.51
29In Stock

Mfr. Part No.
M85049/88-21ZP02

Mouser Part No
523-M85049/88-21ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 21 Black Zinc Nickel w/ Exposed Nickel Entry 2

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Datasheet

29In Stock

£50.51

£43.81

£43.68

£42.81

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-18ZP02
Amphenol PCD
1: £47.18
31In Stock

Mfr. Part No.
M85049/85-18ZP02

Mouser Part No
523-M85049/85-18ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2

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Datasheet

31In Stock

£47.18

£40.92

£40.80

£39.98

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/88-25ZP03
Amphenol PCD
1: £56.62
25In Stock

Mfr. Part No.
M85049/88-25ZP03

Mouser Part No
523-M85049/88-25ZP03

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 3

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Datasheet

25In Stock

£56.62

£50.33

£49.20

£47.91

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

M85049/82-10ZP03
Amphenol PCD
1: £42.55
34In Stock

Mfr. Part No.
M85049/82-10ZP03

Mouser Part No
523-M85049/82-10ZP03

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

Learn More

Datasheet

34In Stock

£42.55

£36.90

£34.78

£33.47

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 1

M85049/85-12ZP01
Amphenol PCD
1: £42.11
40In Stock

Mfr. Part No.
M85049/85-12ZP01

Mouser Part No
523-M85049/85-12ZP01

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 1

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Datasheet

40In Stock

£42.11

£36.52

£35.69

£32.07

£31.15

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Strain Reliefs & Adapters ADPTR RING SZ18 CAD STR TINEL-LOCK

TXR40AB00-1814AI
TE Connectivity / Raychem
1: £111.19
152In Stock

Mfr. Part No.
TXR40AB00-1814AI

Mouser Part No
650-TXR40AB00-1814AI

TE Connectivity / Raychem

Circular MIL Spec Strain Reliefs & Adapters ADPTR RING SZ18 CAD STR TINEL-LOCK

Datasheet

152In Stock

£111.19

£109.55

Min.: 1
Mult.: 1

Adapters

Circular MIL Spec Connector 19P PLG SZ 25 SKT CBL MNT

D38999/26FJ19SN
Amphenol Aerospace
1: £327.16
89In Stock
9Expected 19/10/2026

Mfr. Part No.
D38999/26FJ19SN

Mouser Part No
654-D38999/26FJ19SN

Amphenol Aerospace

Circular MIL Spec Connector 19P PLG SZ 25 SKT CBL MNT

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Datasheet

89In Stock

9Expected 19/10/2026

£327.16

£263.13

£223.54

£197.28

View

Min.: 1
Mult.: 1

Plugs

Socket (Female)

Crimp

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/82-16ZP02
Amphenol PCD
1: £47.15
11In Stock

Mfr. Part No.
M85049/82-16ZP02

Mouser Part No
523-M85049/82-16ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

11In Stock

£47.15

£40.89

£39.97

£38.89

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 1

M85049/85-24ZP01
Amphenol PCD
1: £55.76
5In Stock

Mfr. Part No.
M85049/85-24ZP01

Mouser Part No
523-M85049/85-24ZP01

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 1

Learn More

Datasheet

5In Stock

£55.76

£49.57

£48.44

£47.32

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

M85049/82-12ZP02
Amphenol PCD
1: £44.06
15In Stock

Mfr. Part No.
M85049/82-12ZP02

Mouser Part No
523-M85049/82-12ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

Learn More

Datasheet

15In Stock

£44.06

£38.21

£37.35

£36.45

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 1

M85049/85-16ZP01
Amphenol PCD
1: £45.41
14In Stock

Mfr. Part No.
M85049/85-16ZP01

Mouser Part No
523-M85049/85-16ZP01

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 1

Learn More

Datasheet

14In Stock

£45.41

£39.38

£38.50

£36.05

View

Min.: 1
Mult.: 1

Band Lock Adapters

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

M85049/89-23W03
Amphenol PCD
1: £56.03
574In 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

574In Stock

£56.03

£50.22

£48.39

£47.14

£44.00

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

M85049/82-12ZP03
Amphenol PCD
1: £44.06
9In Stock

Mfr. Part No.
M85049/82-12ZP03

Mouser Part No
523-M85049/82-12ZP03

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

Learn More

Datasheet

9In Stock

£44.06

£38.21

£37.35

£36.45

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

M85049/85-08ZP02
Amphenol PCD
1: £40.44
28In Stock

Mfr. Part No.
M85049/85-08ZP02

Mouser Part No
523-M85049/85-08ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

Learn More

Datasheet

28In Stock

£40.44

£35.16

£33.76

£33.09

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Connector TV 55C 55#22D SKT PLUG ZNI

D38999/26ZE35SA
Amphenol Aerospace
1: £119.94
15In Stock

Mfr. Part No.
D38999/26ZE35SA

Mouser Part No
654-D38999/26ZE35SA

Amphenol Aerospace

Circular MIL Spec Connector TV 55C 55#22D SKT PLUG ZNI

Datasheet

15In Stock

£119.94

£111.81

£106.40

Min.: 1
Mult.: 1

Plugs

Socket (Female)

Crimp

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-24ZP02
Amphenol PCD
1: £55.76
4In Stock

Mfr. Part No.
M85049/85-24ZP02

Mouser Part No
523-M85049/85-24ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

4In Stock

£55.76

£49.57

£44.27

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Connector 4P PLG SZ 21 PIN CBL MNT

D38999/26WG75PN
Amphenol Aerospace
1: £649.43
28In Stock
92Expected 16/10/2026

Mfr. Part No.
D38999/26WG75PN

Mouser Part No
654-D38999/26WG75PN

Amphenol Aerospace

Circular MIL Spec Connector 4P PLG SZ 21 PIN CBL MNT

Learn More

Datasheet

28In Stock

92Expected 16/10/2026

£649.43

£481.39

Quote

Min.: 1
Mult.: 1

Plugs

Pin (Male)

Crimp

Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/82-18ZP02
Amphenol PCD
1: £48.81
11In Stock

Mfr. Part No.
M85049/82-18ZP02

Mouser Part No
523-M85049/82-18ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

11In Stock

£48.81

£42.33

£41.37

£40.25

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 22 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/82-22ZP03
Amphenol PCD
1: £54.15
15In Stock

Mfr. Part No.
M85049/82-22ZP03

Mouser Part No
523-M85049/82-22ZP03

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 22 Black Zinc Nickel w/ Exposed Nickel Entry 3

Learn More

Datasheet

15In Stock

£54.15

£46.96

£45.89

£44.54

£40.04

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/88-19ZP02
Amphenol PCD
1: £48.81
16In Stock

Mfr. Part No.
M85049/88-19ZP02

Mouser Part No
523-M85049/88-19ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

16In Stock

£48.81

£42.33

£38.32

Quote

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-12ZP02
Amphenol PCD
1: £42.11
15In Stock

Mfr. Part No.
M85049/85-12ZP02

Mouser Part No
523-M85049/85-12ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

15In Stock

£42.11

£36.52

£33.48

Quote

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 20 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-20ZP02
Amphenol PCD
1: £49.00
4In Stock

Mfr. Part No.
M85049/85-20ZP02

Mouser Part No
523-M85049/85-20ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 20 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

4In Stock

£49.00

£42.50

£41.53

£39.02

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells 90 Degrees Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/87-10ZP03
Amphenol PCD
1: £63.93
23In Stock

Mfr. Part No.
M85049/87-10ZP03

Mouser Part No
523-M85049/87-10ZP03

Amphenol PCD

Circular MIL Spec Backshells 90 Degrees Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry 3

Learn More

Datasheet

23In Stock

£63.93

£56.82

£55.54

£55.53

View

Min.: 1
Mult.: 1

Band Lock Adapters

Circular MIL Spec Backshells Straight Shell size 21 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/88-21ZP03
Amphenol PCD
1: £50.51
16In Stock

Mfr. Part No.
M85049/88-21ZP03

Mouser Part No
523-M85049/88-21ZP03

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 21 Black Zinc Nickel w/ Exposed Nickel Entry 3

Learn More

Datasheet

16In Stock

£50.51

£43.81

£41.12

£39.16

£37.29

Min.: 1
Mult.: 1

Band Lock Adapters

Self Locking Circular Connectors

Types of Circular Connectors

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