.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: 23,242

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 Strain Reliefs & Adapters ST BACKSHELL SZ 13 STRAIN RELIEF OD CAD

M85049/38S13W
Amphenol PCD
1: $27.87
520In Stock
500Expected 1/10/2026

Mfr. Part No.
M85049/38S13W

Mouser Part No
523-85049/38S13W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 13 STRAIN RELIEF OD CAD

Learn More

Datasheet

520In Stock

500Expected 1/10/2026

$27.87

$24.04

$23.04

$22.79

View

Min.: 1
Mult.: 1

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

M85049/38S17W
Amphenol PCD
1: $30.74
741In Stock
875Expected 21/8/2026

Mfr. Part No.
M85049/38S17W

Mouser Part No
523-85049/38S17W

Amphenol PCD

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

Learn More

Datasheet

741In Stock

875Expected 21/8/2026

$30.74

$27.42

$23.83

$23.53

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 19 STRAIN RELIEF OD CAD

M85049/38S19W
Amphenol PCD
1: $49.74
393In Stock

Mfr. Part No.
M85049/38S19W

Mouser Part No
523-85049/38S19W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 19 STRAIN RELIEF OD CAD

Learn More

Datasheet

393In Stock

$49.74

$46.46

$30.38

$29.34

View

Min.: 1
Mult.: 1

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

M85049/38S25W
Amphenol PCD
1: $35.51
285In Stock
1,100On Order

Mfr. Part No.
M85049/38S25W

Mouser Part No
523-85049/38S25W

Amphenol PCD

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

Learn More

Datasheet

285In Stock

1,100On Order

$35.51

$31.72

$29.73

$26.45

$25.83

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 9 STRAIN RELIEF OD CAD

M85049/38S9W
Amphenol PCD
1: $27.98
811In Stock
625Expected 29/9/2026

Mfr. Part No.
M85049/38S9W

Mouser Part No
523-85049/38S9W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 9 STRAIN RELIEF OD CAD

Learn More

Datasheet

811In Stock

625Expected 29/9/2026

$27.98

$26.00

$23.17

$21.23

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 13

M85049/39S13W
Amphenol PCD
1: $38.20
72In Stock
100Expected 29/9/2026

Mfr. Part No.
M85049/39S13W

Mouser Part No
523-85049/39S13W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 13

Learn More

Datasheet

72In Stock

100Expected 29/9/2026

$38.20

$32.27

$30.99

$29.34

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 39 Backshell Strain Relief Clamp

M85049/39S15W
Amphenol PCD
1: $38.35
144In Stock

Mfr. Part No.
M85049/39S15W

Mouser Part No
523-85049/39S15W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 39 Backshell Strain Relief Clamp

Learn More

Datasheet

144In Stock

$38.35

$36.53

$34.79

$31.82

$30.03

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 19

M85049/39S19W
Amphenol PCD
1: $58.74
68In Stock

Mfr. Part No.
M85049/39S19W

Mouser Part No
523-85049/39S19W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 19

Learn More

Datasheet

68In Stock

$58.74

$45.90

$40.23

$39.21

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 9

M85049/39S9W
Amphenol PCD
1: $42.85
98In Stock
83On Order

Mfr. Part No.
M85049/39S9W

Mouser Part No
523-85049/39S9W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR R/A SL OD CAD SZ 9

Learn More

Datasheet

98In Stock

83On Order

$42.85

$37.47

$34.92

$33.46

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 52 Backshell Strain Relief Clamp

M85049/52S10W
Amphenol PCD
1: $32.98
133In Stock
300On Order

Mfr. Part No.
M85049/52S10W

Mouser Part No
523-85049/52S10W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 52 Backshell Strain Relief Clamp

Learn More

Datasheet

133In Stock

300On Order

$32.98

$29.59

$27.77

$26.89

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 14 STRAIN RELIEF OD CAD

M85049/52S14W
Amphenol PCD
1: $32.95
276In Stock
205On Order

Mfr. Part No.
M85049/52S14W

Mouser Part No
523-85049/52S14W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters ST BACKSHELL SZ 14 STRAIN RELIEF OD CAD

Learn More

Datasheet

276In Stock

205On Order

$32.95

$28.60

$26.56

$26.03

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST SL OD CAD SZ 36

M85049/52S36W
Amphenol PCD
1: $103.90
29In Stock

Mfr. Part No.
M85049/52S36W

Mouser Part No
523-85049/52S36W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST SL OD CAD SZ 36

Learn More

Datasheet

29In Stock

$103.90

$88.32

$82.78

$78.84

$75.07

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST SL OD CAD SZ 8

M85049/52S8W
Amphenol PCD
1: $28.51
104In Stock
75Expected 6/10/2026

Mfr. Part No.
M85049/52S8W

Mouser Part No
523-85049/52S8W

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SR ST SL OD CAD SZ 8

Learn More

Datasheet

104In Stock

75Expected 6/10/2026

$28.51

$26.19

$25.30

$23.91

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 10

M85049/82-10W03
Amphenol PCD
1: $77.49
39In Stock
50Expected 6/10/2026

Mfr. Part No.
M85049/82-10W03

Mouser Part No
523-85049/82-10W03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 10

Learn More

Datasheet

39In Stock

50Expected 6/10/2026

$77.49

$75.38

$75.37

$55.38

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 12

M85049/82-12W02
Amphenol PCD
1: $69.92
61In Stock
50Expected 1/10/2026

Mfr. Part No.
M85049/82-12W02

Mouser Part No
523-85049/82-12W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 12

Learn More

Datasheet

61In Stock

50Expected 1/10/2026

$69.92

$59.45

$55.72

$53.05

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 14

M85049/82-14W02
Amphenol PCD
1: $67.29
225In Stock
175Expected 27/10/2026

Mfr. Part No.
M85049/82-14W02

Mouser Part No
523-85049/82-14W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 14

Learn More

Datasheet

225In Stock

175Expected 27/10/2026

$67.29

$55.28

$44.01

$41.85

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 18

M85049/82-18W02
Amphenol PCD
1: $73.86
64In Stock
158On Order

Mfr. Part No.
M85049/82-18W02

Mouser Part No
523-85049/82-18W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 18

Learn More

Datasheet

64In Stock

158On Order

$73.86

$72.69

$69.78

$60.47

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 20

M85049/82-20W03
Amphenol PCD
1: $77.81
36In Stock
50Expected 5/11/2026

Mfr. Part No.
M85049/82-20W03

Mouser Part No
523-85049/82-20W03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 20

Learn More

Datasheet

36In Stock

50Expected 5/11/2026

$77.81

$68.71

$64.41

$61.54

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 82 Backshell Band Lock

M85049/82-22W02
Amphenol PCD
1: $78.93
72In Stock

Mfr. Part No.
M85049/82-22W02

Mouser Part No
523-85049/82-22W02

Amphenol PCD

Circular MIL Spec Backshells 82 Backshell Band Lock

Learn More

Datasheet

72In Stock

$78.93

$69.41

$68.84

$67.70

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 84 Backshell Band Lock

M85049/84-14W02
Amphenol PCD
1: $100.65
28In Stock

Mfr. Part No.
M85049/84-14W02

Mouser Part No
523-85049/84-14W02

Amphenol PCD

Circular MIL Spec Backshells 84 Backshell Band Lock

Learn More

Datasheet

28In Stock

$100.65

$88.33

$85.22

$82.42

$79.66

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 18

M85049/84-18W02
Amphenol PCD
1: $113.27
23In Stock

Mfr. Part No.
M85049/84-18W02

Mouser Part No
523-85049/84-18W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 18

Learn More

Datasheet

23In Stock

$113.27

$99.86

$99.85

$98.42

$90.11

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 85 Backshell Band Lock

M85049/85-12W02
Amphenol PCD
1: $62.22
50In Stock

Mfr. Part No.
M85049/85-12W02

Mouser Part No
523-85049/85-12W02

Amphenol PCD

Circular MIL Spec Backshells 85 Backshell Band Lock

Learn More

Datasheet

50In Stock

$62.22

$54.59

$53.12

$48.52

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 14

M85049/85-14W02
Amphenol PCD
1: $58.86
162In Stock
125Expected 6/10/2026

Mfr. Part No.
M85049/85-14W02

Mouser Part No
523-85049/85-14W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 14

Learn More

Datasheet

162In Stock

125Expected 6/10/2026

$58.86

$58.43

$53.42

$51.50

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 16

M85049/85-16W02
Amphenol PCD
1: $71.11
40In Stock

Mfr. Part No.
M85049/85-16W02

Mouser Part No
523-85049/85-16W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 16

Learn More

Datasheet

40In Stock

$71.11

$61.83

$59.39

$58.19

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 22

M85049/85-22W02
Amphenol PCD
1: $72.31
47In Stock

Mfr. Part No.
M85049/85-22W02

Mouser Part No
523-85049/85-22W02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST CAD SZ 22

Learn More

Datasheet

47In Stock

$72.31

$66.74

$66.72

$65.93

View

Min.: 1
Mult.: 1

Self Locking Connectors

Types of Connectors

Customer Service Office

Company

Resources

Support