.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 Strain Reliefs & Adapters 38 Backshell Strain Relief Clamp

M85049/38S21N
Amphenol PCD
1: $26.53
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

$26.53

$25.26

$20.34

$19.42

View

Min.: 1
Mult.: 1

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

M85049/38S25N
Amphenol PCD
1: $21.29
1,889In Stock
500Expected 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

1,889In Stock

500Expected 28/08/2026

$21.29

$19.16

$18.37

$17.55

View

Min.: 1
Mult.: 1

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

M85049/38S9N
Amphenol PCD
1: $16.99
1,445In 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

1,445In Stock

1,575Expected 13/10/2026

$16.99

$15.12

$13.00

$12.55

View

Min.: 1
Mult.: 1

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

M85049/88-13N03
Amphenol PCD
1: $37.39
682In 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

682In Stock

1,800On Order

$37.39

$31.78

$29.79

$28.37

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 88 Backshell Band Lock

M85049/88-17N03
Amphenol PCD
1: $43.54
1,284In 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

1,284In Stock

2,525On Order

$43.54

$38.72

$36.69

$32.75

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 88 Backshell Band Lock

M85049/88-9N03
Amphenol PCD
1: $37.73
2,141In 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

2,141In Stock

1,775Expected 15/10/2026

$37.73

$34.73

$33.09

$32.24

View

Min.: 1
Mult.: 1

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

D38999/20FB35SN
Amphenol Aerospace
1: $71.97
230In 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

230In Stock

69Expected 20/10/2026

$71.97

$65.16

$62.94

$61.25

$57.90

Min.: 1
Mult.: 1

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

D38999/20FC35SN
Amphenol Aerospace
1: $73.90
282In 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

282In Stock

186Expected 05/11/2026

$73.90

$72.09

Min.: 1
Mult.: 1

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

D38999/20FC4PN
Amphenol Aerospace
1: $130.54
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

$130.54

$123.46

$119.93

Min.: 1
Mult.: 1

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

D38999/20FD35SN
Amphenol Aerospace
1: $126.77
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

$126.77

$119.61

$85.87

Min.: 1
Mult.: 1

Circular MIL Spec Connector TRI-START ALUMINUM

D38999/20FE35SN
Amphenol Aerospace
1: $155.34
130In 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

130In Stock

313On Order

$155.34

$111.45

$104.70

$103.12

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Connector TRI-START ALUMINUM

D38999/24FD35PN
Amphenol Aerospace
1: $82.92
169In Stock

Mfr. Part No.
D38999/24FD35PN

Mouser Part No
654-D38999/24FD35PN

Amphenol Aerospace

Circular MIL Spec Connector TRI-START ALUMINUM

Learn More

Datasheet

169In Stock

$82.92

$76.77

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Connector TRI-START ALUMINUM

D38999/26FA35PN
Amphenol Aerospace
1: $64.85
429In 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

429In Stock

279Expected 23/10/2026

$64.85

$59.94

Min.: 1
Mult.: 1

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

D38999/26FA35SN
Amphenol Aerospace
1: $76.87
664In 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

664In Stock

479Expected 20/10/2026

$76.87

$70.19

$66.03

Min.: 1
Mult.: 1

Circular MIL Spec Connector 3P Size 9 Straight Plug Nickel

D38999/26FA98SN
Amphenol Aerospace
1: $53.90
907In 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

907In Stock

$53.90

$52.68

$50.87

$47.72

$47.01

Min.: 1
Mult.: 1

Circular MIL Spec Connector 2P ST PLUG PIN SZ 11

D38999/26FB2PN
Amphenol Aerospace
1: $261.08
91In 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

91In Stock

$261.08

$223.24

$218.74

Min.: 1
Mult.: 1

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

D38999/26FB35PN
Amphenol Aerospace
1: $77.03
1,621In Stock
1,002Expected 14/12/2026

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 14/12/2026

$77.03

$71.96

$68.00

$66.75

Min.: 1
Mult.: 1

Circular MIL Spec Connector CONN PLUG ST 13POS W/SCKT

D38999/26FB35SN
Amphenol Aerospace
1: $73.90
1,262In Stock

Mfr. Part No.
D38999/26FB35SN

Mouser Part No
654-D38999/26FB35SN

Amphenol Aerospace

Circular MIL Spec Connector CONN PLUG ST 13POS W/SCKT

Learn More

Datasheet

1,262In Stock

$73.90

Min.: 1
Mult.: 1

Circular MIL Spec Connector SHELL 11 6 CONTACTS ST PLUG

D38999/26FB98SN
Amphenol Aerospace
1: $77.50
298In Stock
203On Order

Mfr. Part No.
D38999/26FB98SN

Mouser Part No
654-D38999/26FB98SN

Amphenol Aerospace

Circular MIL Spec Connector SHELL 11 6 CONTACTS ST PLUG

Learn More

Datasheet

298In Stock

203On Order

$77.50

$71.01

$68.39

$65.74

Min.: 1
Mult.: 1

Circular MIL Spec Connector St plug 22P; sz 13

D38999/26FC35PN
Amphenol Aerospace
1: $74.16
330In Stock
672On Order

Mfr. Part No.
D38999/26FC35PN

Mouser Part No
654-D38999/26FC35PN

Amphenol Aerospace

Circular MIL Spec Connector St plug 22P; sz 13

Learn More

Datasheet

330In Stock

672On Order

$74.16

$71.10

Min.: 1
Mult.: 1

Circular MIL Spec Connector 37P PLG SZ 15 PIN CBL MNT

D38999/26FD35PN
Amphenol Aerospace
1: $90.01
358In Stock
321Expected 14/09/2026

Mfr. Part No.
D38999/26FD35PN

Mouser Part No
654-D38999/26FD35PN

Amphenol Aerospace

Circular MIL Spec Connector 37P PLG SZ 15 PIN CBL MNT

Learn More

Datasheet

358In Stock

321Expected 14/09/2026

$90.01

$83.01

$79.25

$76.50

Min.: 1
Mult.: 1

Circular MIL Spec Connector TRI-START ALUMINUM

D38999/26FE26PN
Amphenol Aerospace
1: $145.14
261In Stock
154Expected 23/10/2026

Mfr. Part No.
D38999/26FE26PN

Mouser Part No
654-D38999/26FE26PN

Amphenol Aerospace

Circular MIL Spec Connector TRI-START ALUMINUM

Learn More

Datasheet

261In Stock

154Expected 23/10/2026

$145.14

$144.00

$91.67

$88.61

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector St plug 55P;sz 17 17-.35 W/PIN

D38999/26FE35PN
Amphenol Aerospace
1: $123.91
255In Stock
551On Order

Mfr. Part No.
D38999/26FE35PN

Mouser Part No
654-D38999/26FE35PN

Amphenol Aerospace

Circular MIL Spec Connector St plug 55P;sz 17 17-.35 W/PIN

Learn More

Datasheet

255In Stock

551On Order

$123.91

$88.15

$82.54

$82.36

Min.: 1
Mult.: 1

Circular MIL Spec Connector SIZE 17; 55 PIN SCREW ST PLUG

D38999/26FE35SN
Amphenol Aerospace
1: $162.77
381In Stock

Mfr. Part No.
D38999/26FE35SN

Mouser Part No
654-D38999/26FE35SN

Amphenol Aerospace

Circular MIL Spec Connector SIZE 17; 55 PIN SCREW ST PLUG

Learn More

Datasheet

381In Stock

$162.77

$149.38

$147.98

$138.84

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 12 PIN JAM NUT RECPT

D38999/26FE6PN
Amphenol Aerospace
1: $125.48
171In Stock
312On Order

Mfr. Part No.
D38999/26FE6PN

Mouser Part No
654-D38999/26FE6PN

Amphenol Aerospace

Circular MIL Spec Connector 12 PIN JAM NUT RECPT

Learn More

Datasheet

171In Stock

312On Order

$125.48

$114.13

$83.89

Min.: 1
Mult.: 1

Self Locking Connectors

Types of Connectors

Customer Service Office

Company

Resources

Support