.hide-partial { max-height: none; } .show-more { display: none; }

Self Locking Connectors

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Connectors

List Images

Results: 23,233

Applied Filters:

Mating Style = Self Locking

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Circular MIL Spec Backshells Backshell; EMI/RFI Strain Relief; 45 ; Composite

M85049/104-11
Amphenol PCD
1: £71.92
28In Stock

Mfr. Part No.
M85049/104-11

Mouser Part No
523-M85049/104-11

Amphenol PCD

Circular MIL Spec Backshells Backshell; EMI/RFI Strain Relief; 45 ; Composite

Learn More

Datasheet

28In Stock

£71.92

£67.87

£60.66

£57.61

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Backshell; EMI/RFI Strain Relief; 45 ; Composite

M85049/104-13
Amphenol PCD
1: £71.92
20In Stock

Mfr. Part No.
M85049/104-13

Mouser Part No
523-M85049/104-13

Amphenol PCD

Circular MIL Spec Backshells Backshell; EMI/RFI Strain Relief; 45 ; Composite

Learn More

Datasheet

20In Stock

£71.92

£67.87

£60.66

£57.61

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Backshell; EMI/RFI Strain Relief; 90 ; Composite

M85049/105-11
Amphenol PCD
1: £83.28
49In Stock

Mfr. Part No.
M85049/105-11

Mouser Part No
523-M85049/105-11

Amphenol PCD

Circular MIL Spec Backshells Backshell; EMI/RFI Strain Relief; 90 ; Composite

Learn More

Datasheet

49In Stock

£83.28

£78.22

£70.45

£66.70

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Backshell; EMI/RFI Strain Relief; 90 ; Composite

M85049/105-13
Amphenol PCD
1: £87.39
22In Stock

Mfr. Part No.
M85049/105-13

Mouser Part No
523-M85049/105-13

Amphenol PCD

Circular MIL Spec Backshells Backshell; EMI/RFI Strain Relief; 90 ; Composite

Learn More

Datasheet

22In Stock

£87.39

£81.97

£74.00

£70.00

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 11 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/88-11ZP03
Amphenol PCD
1: £43.34
50In Stock

Mfr. Part No.
M85049/88-11ZP03

Mouser Part No
523-M85049/88-11ZP03

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 11 Black Zinc Nickel w/ Exposed Nickel Entry 3

Learn More

Datasheet

50In Stock

£43.34

£37.20

£35.85

£34.29

View

Min.: 1
Mult.: 1

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

M85049/38S15N
Amphenol PCD
1: £13.87
1,583In Stock
1,275Expected 11/11/2026

Mfr. Part No.
M85049/38S15N

Mouser Part No
523-85049/38S15N

Amphenol PCD

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

Learn More

Datasheet

1,583In Stock

1,275Expected 11/11/2026

£13.87

£12.67

£11.88

£11.31

View

Min.: 1
Mult.: 1

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

M85049/38S21N
Amphenol PCD
1: £19.92
1,051In Stock
575Expected 11/11/2026

Mfr. Part No.
M85049/38S21N

Mouser Part No
523-85049/38S21N

Amphenol PCD

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

Learn More

Datasheet

1,051In Stock

575Expected 11/11/2026

£19.92

£18.96

£15.27

£14.58

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 25 STRAIN RELIEF NIC

M85049/38S25N
Amphenol PCD
1: £15.98
1,323In Stock
1,075Expected 28/08/2026

Mfr. Part No.
M85049/38S25N

Mouser Part No
523-85049/38S25N

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 25 STRAIN RELIEF NIC

Learn More

Datasheet

1,323In Stock

1,075Expected 28/08/2026

£15.98

£14.39

£13.79

£13.17

View

Min.: 1
Mult.: 1

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

M85049/38S9N
Amphenol PCD
1: £12.75
1,457In Stock
1,575Expected 13/10/2026

Mfr. Part No.
M85049/38S9N

Mouser Part No
523-85049/38S9N

Amphenol PCD

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

Learn More

Datasheet

1,457In Stock

1,575Expected 13/10/2026

£12.75

£11.35

£9.76

£9.42

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 13

M85049/88-13N03
Amphenol PCD
1: £28.08
695In Stock
1,800On Order

Mfr. Part No.
M85049/88-13N03

Mouser Part No
523-85049/88-13N03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 13

Learn More

Datasheet

695In Stock

1,800On Order

£28.08

£23.86

£22.37

£21.30

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 88 Backshell Band Lock

M85049/88-15N03
Amphenol PCD
1: £30.97
480In Stock
1,000Expected 24/11/2026

Mfr. Part No.
M85049/88-15N03

Mouser Part No
523-85049/88-15N03

Amphenol PCD

Circular MIL Spec Backshells 88 Backshell Band Lock

Learn More

Datasheet

480In Stock

1,000Expected 24/11/2026

£30.97

£28.16

£27.65

£25.23

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 88 Backshell Band Lock

M85049/88-17N03
Amphenol PCD
1: £35.35
1,341In Stock
2,525On Order

Mfr. Part No.
M85049/88-17N03

Mouser Part No
523-85049/88-17N03

Amphenol PCD

Circular MIL Spec Backshells 88 Backshell Band Lock

Learn More

Datasheet

1,341In Stock

2,525On Order

£35.35

£30.85

£30.37

£28.31

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 88 Backshell Band Lock

M85049/88-9N03
Amphenol PCD
1: £28.33
2,156In Stock
1,775Expected 15/10/2026

Mfr. Part No.
M85049/88-9N03

Mouser Part No
523-85049/88-9N03

Amphenol PCD

Circular MIL Spec Backshells 88 Backshell Band Lock

Learn More

Datasheet

2,156In Stock

1,775Expected 15/10/2026

£28.33

£26.08

£24.85

£24.21

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 13P RCPT SZ 11 SKT WL MNT

D38999/20FB35SN
Amphenol Aerospace
1: £53.82
241In Stock
69Expected 20/10/2026

Mfr. Part No.
D38999/20FB35SN

Mouser Part No
654-D38999/20FB35SN

Amphenol Aerospace

Circular MIL Spec Connector 13P RCPT SZ 11 SKT WL MNT

Learn More

Datasheet

241In Stock

69Expected 20/10/2026

£53.82

£48.92

£47.41

£47.09

Min.: 1
Mult.: 1

Circular MIL Spec Connector 22P FM SZ 13 SKT WL MNT

D38999/20FC35SN
Amphenol Aerospace
1: £58.63
254In Stock
186Expected 05/11/2026

Mfr. Part No.
D38999/20FC35SN

Mouser Part No
654-D38999/20FC35SN

Amphenol Aerospace

Circular MIL Spec Connector 22P FM SZ 13 SKT WL MNT

Learn More

Datasheet

254In Stock

186Expected 05/11/2026

£58.63

Min.: 1
Mult.: 1

Circular MIL Spec Connector 4P FM SZ 13 PIN WL MNT

D38999/20FC4PN
Amphenol Aerospace
1: £128.79
176In Stock

Mfr. Part No.
D38999/20FC4PN

Mouser Part No
654-D38999/20FC4PN

Amphenol Aerospace

Circular MIL Spec Connector 4P FM SZ 13 PIN WL MNT

Learn More

Datasheet

176In Stock

£128.79

£118.20

£113.66

£109.86

£103.80

Min.: 1
Mult.: 1

Circular MIL Spec Connector RCPT WALL MNT 37POS SHELL SIZE: 15

D38999/20FD35SN
Amphenol Aerospace
1: £96.00
375In Stock

Mfr. Part No.
D38999/20FD35SN

Mouser Part No
654-D38999/20FD35SN

Amphenol Aerospace

Circular MIL Spec Connector RCPT WALL MNT 37POS SHELL SIZE: 15

Learn More

Datasheet

375In Stock

£96.00

£90.67

£69.83

Min.: 1
Mult.: 1

Circular MIL Spec Connector TRI-START ALUMINUM

D38999/20FE35SN
Amphenol Aerospace
1: £116.62
134In Stock
313On Order

Mfr. Part No.
D38999/20FE35SN

Mouser Part No
654-D38999/20FE35SN

Amphenol Aerospace

Circular MIL Spec Connector TRI-START ALUMINUM

Learn More

Datasheet

134In Stock

313On Order

£116.62

£83.80

Min.: 1
Mult.: 1

Circular MIL Spec Connector TRI-START ALUMINUM

D38999/20FE6SN
Amphenol Aerospace
1: £154.51
161In Stock

Mfr. Part No.
D38999/20FE6SN

Mouser Part No
654-D38999/20FE6SN

Amphenol Aerospace

Circular MIL Spec Connector TRI-START ALUMINUM

Learn More

Datasheet

161In Stock

£154.51

£141.66

£115.11

£80.37

£66.64

Min.: 1
Mult.: 1

Circular MIL Spec Connector TRI-START ALUMINUM

D38999/24FD35PN
Amphenol Aerospace
1: £62.25
175In Stock

Mfr. Part No.
D38999/24FD35PN

Mouser Part No
654-D38999/24FD35PN

Amphenol Aerospace

Circular MIL Spec Connector TRI-START ALUMINUM

Learn More

Datasheet

175In Stock

£62.25

£60.87

Min.: 1
Mult.: 1

Circular MIL Spec Connector TRI-START ALUMINUM

D38999/26FA35PN
Amphenol Aerospace
1: £48.75
440In Stock
279Expected 23/10/2026

Mfr. Part No.
D38999/26FA35PN

Mouser Part No
654-D38999/26FA35PN

Amphenol Aerospace

Circular MIL Spec Connector TRI-START ALUMINUM

Learn More

Datasheet

440In Stock

279Expected 23/10/2026

£48.75

Min.: 1
Mult.: 1

Circular MIL Spec Connector St plug 6 pos SHELL SIZE: 9

D38999/26FA35SN
Amphenol Aerospace
1: £57.98
799In Stock
479Expected 20/10/2026

Mfr. Part No.
D38999/26FA35SN

Mouser Part No
654-D38999/26FA35SN

Amphenol Aerospace

Circular MIL Spec Connector St plug 6 pos SHELL SIZE: 9

Learn More

Datasheet

799In Stock

479Expected 20/10/2026

£57.98

£52.96

£51.52

Min.: 1
Mult.: 1

Circular MIL Spec Connector 3P Size 9 Straight Plug Nickel

D38999/26FA98SN
Amphenol Aerospace
1: £40.23
1,008In Stock

Mfr. Part No.
D38999/26FA98SN

Mouser Part No
654-D38999/26FA98SN

Amphenol Aerospace

Circular MIL Spec Connector 3P Size 9 Straight Plug Nickel

Learn More

Datasheet

1,008In Stock

£40.23

£39.56

£38.24

Min.: 1
Mult.: 1

Circular MIL Spec Connector 2P ST PLUG PIN SZ 11

D38999/26FB2PN
Amphenol Aerospace
1: £196.01
93In Stock

Mfr. Part No.
D38999/26FB2PN

Mouser Part No
654-D38999/26FB2PN

Amphenol Aerospace

Circular MIL Spec Connector 2P ST PLUG PIN SZ 11

Learn More

Datasheet

93In Stock

£196.01

£167.61

£164.23

Min.: 1
Mult.: 1

Circular MIL Spec Connector St plug 13P; sz 11 11-35

D38999/26FB35PN
Amphenol Aerospace
1: £57.51
1,621In Stock
1,002Expected 22/10/2026

Mfr. Part No.
D38999/26FB35PN

Mouser Part No
654-D38999/26FB35PN

Amphenol Aerospace

Circular MIL Spec Connector St plug 13P; sz 11 11-35

Learn More

Datasheet

1,621In Stock

1,002Expected 22/10/2026

£57.51

£54.28

Min.: 1
Mult.: 1

Self Locking Connectors

Types of Connectors

Customer Service Office

Company

Resources

Support