.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: 23,229

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 Connector 28P SIZE 19 PIN WALL MOUNT RECPT

D38999/20WF28PN
Amphenol Aerospace
1: $193.67
9In Stock

Mfr. Part No.
D38999/20WF28PN

Mouser Part No
654-D38999/20WF28PN

Amphenol Aerospace

Circular MIL Spec Connector 28P SIZE 19 PIN WALL MOUNT RECPT

Learn More

Datasheet

9In Stock

$193.67

$167.22

$161.22

$160.01

Min.: 1
Mult.: 1

Circular MIL Spec Connector 32P FM SZ 19 PIN WL MNT

D38999/20WF32PN
Amphenol Aerospace
1: $104.72
19In Stock
26Expected 31/08/2026

Mfr. Part No.
D38999/20WF32PN

Mouser Part No
654-D38999/20WF32PN

Amphenol Aerospace

Circular MIL Spec Connector 32P FM SZ 19 PIN WL MNT

Learn More

Datasheet

19In Stock

26Expected 31/08/2026

$104.72

$83.91

Min.: 1
Mult.: 1

Circular MIL Spec Connector 32P FM SZ 19 SKT WL MNT

D38999/20WF32SN
Amphenol Aerospace
1: $236.62
23In Stock

Mfr. Part No.
D38999/20WF32SN

Mouser Part No
654-D38999/20WF32SN

Amphenol Aerospace

Circular MIL Spec Connector 32P FM SZ 19 SKT WL MNT

Learn More

Datasheet

23In Stock

$236.62

$201.16

$107.23

$88.70

Min.: 1
Mult.: 1

Circular MIL Spec Connector 66POS; size 19

D38999/20WF35PN
Amphenol Aerospace
1: $109.63
27In Stock
147On Order

Mfr. Part No.
D38999/20WF35PN

Mouser Part No
654-D38999/20WF35PN

Amphenol Aerospace

Circular MIL Spec Connector 66POS; size 19

Learn More

Datasheet

27In Stock

147On Order

$109.63

$76.84

Min.: 1
Mult.: 1

Circular MIL Spec Connector 66P Size 19 Wall Mount Receptacle

D38999/20WF35SN
Amphenol Aerospace
1: $147.76
67In Stock
100Expected 29/09/2026

Mfr. Part No.
D38999/20WF35SN

Mouser Part No
654-D38999/20WF35SN

Amphenol Aerospace

Circular MIL Spec Connector 66P Size 19 Wall Mount Receptacle

Learn More

Datasheet

67In Stock

100Expected 29/09/2026

$147.76

$113.87

Min.: 1
Mult.: 1

Circular MIL Spec Connector 11P FM SZ 21 PIN WL MNT

D38999/20WG11PN
Amphenol Aerospace
1: $151.61
58In Stock
129On Order

Mfr. Part No.
D38999/20WG11PN

Mouser Part No
654-D38999/20WG11PN

Amphenol Aerospace

Circular MIL Spec Connector 11P FM SZ 21 PIN WL MNT

Learn More

Datasheet

58In Stock

129On Order

$151.61

$145.07

$141.69

$135.68

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Connector 16P FM SZ 21 PIN WL MNT

D38999/20WG16PN
Amphenol Aerospace
1: $74.45
30In Stock

Mfr. Part No.
D38999/20WG16PN

Mouser Part No
654-D38999/20WG16PN

Amphenol Aerospace

Circular MIL Spec Connector 16P FM SZ 21 PIN WL MNT

Learn More

Datasheet

30In Stock

$74.45

Min.: 1
Mult.: 1

Circular MIL Spec Connector 79P Size 21 Wall Mount Receptacle

D38999/20WG35PN
Amphenol Aerospace
1: $119.22
24In Stock
100Expected 16/11/2026

Mfr. Part No.
D38999/20WG35PN

Mouser Part No
654-D38999/20WG35PN

Amphenol Aerospace

Circular MIL Spec Connector 79P Size 21 Wall Mount Receptacle

Learn More

Datasheet

24In Stock

100Expected 16/11/2026

$119.22

$86.95

$83.46

Min.: 1
Mult.: 1

Circular MIL Spec Connector 41P FM SZ 21 PIN WL MNT

D38999/20WG41PN
Amphenol Aerospace
1: $91.52
96In Stock
100Expected 28/08/2026

Mfr. Part No.
D38999/20WG41PN

Mouser Part No
654-D38999/20WG41PN

Amphenol Aerospace

Circular MIL Spec Connector 41P FM SZ 21 PIN WL MNT

Learn More

Datasheet

96In Stock

100Expected 28/08/2026

$91.52

$71.61

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Connector 41P RCPT SZ 21 SKT WL MNT

D38999/20WG41SN
Amphenol Aerospace
1: $107.61
100In Stock

Mfr. Part No.
D38999/20WG41SN

Mouser Part No
654-D38999/20WG41SN

Amphenol Aerospace

Circular MIL Spec Connector 41P RCPT SZ 21 SKT WL MNT

Learn More

Datasheet

100In Stock

$107.61

Min.: 1
Mult.: 1

Circular MIL Spec Connector 4P FM SZ 21 SKT WL MNT

D38999/20WG75BN
Amphenol Aerospace
1: $99.06
1Stock Available

Mfr. Part No.
D38999/20WG75BN

Mouser Part No
654-D38999/20WG75BN

Amphenol Aerospace

Circular MIL Spec Connector 4P FM SZ 21 SKT WL MNT

Learn More

Datasheet

1Stock Available

More Info Available

$99.06

$90.34

$86.86

$83.96

$79.33

Min.: 1
Mult.: 1

Circular MIL Spec Connector 55P FM SZ 23 SKT WL MNT

D38999/20WH55SN
Amphenol Aerospace
1: $322.07
29In Stock
100Expected 11/11/2026

Mfr. Part No.
D38999/20WH55SN

Mouser Part No
654-D38999/20WH55SN

Amphenol Aerospace

Circular MIL Spec Connector 55P FM SZ 23 SKT WL MNT

Learn More

Datasheet

29In Stock

100Expected 11/11/2026

$322.07

$191.61

$184.74

$163.82

Min.: 1
Mult.: 1

Circular MIL Spec Connector TV 6C 6#20 SKT RECP

D38999/20ZB98SN
Amphenol Aerospace
1: $90.17
35In Stock

Mfr. Part No.
D38999/20ZB98SN

Mouser Part No
654-D38999/20ZB98SN

Amphenol Aerospace

Circular MIL Spec Connector TV 6C 6#20 SKT RECP

Datasheet

35In Stock

$90.17

$69.18

$67.07

$65.54

Min.: 1
Mult.: 1

Circular MIL Spec Connector SIZE 9; 3 PIN CRIMP JAM NUT RECEPT

D38999/24FA98SN
Amphenol Aerospace
1: $116.53
69In Stock

Mfr. Part No.
D38999/24FA98SN

Mouser Part No
654-D38999/24FA98SN

Amphenol Aerospace

Circular MIL Spec Connector SIZE 9; 3 PIN CRIMP JAM NUT RECEPT

Learn More

Datasheet

69In Stock

$116.53

$75.21

Min.: 1
Mult.: 1

Circular MIL Spec Connector 8P RCPT SZ 13 SKT PNL MNT

D38999/24FC8SN
Amphenol Aerospace
1: $174.01
53In Stock
100Expected 09/11/2026

Mfr. Part No.
D38999/24FC8SN

Mouser Part No
654-D38999/24FC8SN

Amphenol Aerospace

Circular MIL Spec Connector 8P RCPT SZ 13 SKT PNL MNT

Learn More

Datasheet

53In Stock

100Expected 09/11/2026

$174.01

$141.39

$119.06

$102.82

$73.95

Min.: 1
Mult.: 1

Circular MIL Spec Connector 41P FM SZ 21 PIN PNL MNT

D38999/24FG41PN
Amphenol Aerospace
1: $196.80
91In Stock

Mfr. Part No.
D38999/24FG41PN

Mouser Part No
654-D38999/24FG41PN

Amphenol Aerospace

Circular MIL Spec Connector 41P FM SZ 21 PIN PNL MNT

Learn More

Datasheet

91In Stock

$196.80

$121.20

$99.27

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 3P SZ 9 RCPT PNL MNT PIN

D38999/24WA98PA
Amphenol Aerospace
1: $96.12
19In Stock

Mfr. Part No.
D38999/24WA98PA

Mouser Part No
654-D38999/24WA98PA

Amphenol Aerospace

Circular MIL Spec Connector 3P SZ 9 RCPT PNL MNT PIN

Learn More

Datasheet

19In Stock

$96.12

$87.66

$84.29

$81.47

$76.97

Min.: 1
Mult.: 1

Circular MIL Spec Connector 3P FM SZ 9 SKT PNL MNT

D38999/24WA98SA
Amphenol Aerospace
1: $50.17
98In Stock

Mfr. Part No.
D38999/24WA98SA

Mouser Part No
654-D38999/24WA98SA

Amphenol Aerospace

Circular MIL Spec Connector 3P FM SZ 9 SKT PNL MNT

Learn More

Datasheet

98In Stock

$50.17

$42.65

$39.98

$38.07

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector TV 3C 3#20 SKT RCPT ALUMINUM

D38999/24WA98SN
Amphenol Aerospace
1: $46.96
149In Stock
100Expected 23/10/2026

Mfr. Part No.
D38999/24WA98SN

Mouser Part No
654-D38999/24WA98SN

Amphenol Aerospace

Circular MIL Spec Connector TV 3C 3#20 SKT RCPT ALUMINUM

Learn More

Datasheet

149In Stock

100Expected 23/10/2026

$46.96

$40.45

$36.78

$35.47

$34.57

Min.: 1
Mult.: 1

Circular MIL Spec Connector 2P FM SZ 11 SKT PNL MNT

D38999/24WB2SN
Amphenol Aerospace
1: $105.62
97In Stock
122Expected 02/09/2026

Mfr. Part No.
D38999/24WB2SN

Mouser Part No
654-D38999/24WB2SN

Amphenol Aerospace

Circular MIL Spec Connector 2P FM SZ 11 SKT PNL MNT

Learn More

Datasheet

97In Stock

122Expected 02/09/2026

$105.62

$94.12

$71.98

$68.74

Min.: 1
Mult.: 1

Circular MIL Spec Connector 13P SIZE 11 PANEL MOUNT PIN

D38999/24WB35PA
Amphenol Aerospace
1: $40.82
98In Stock

Mfr. Part No.
D38999/24WB35PA

Mouser Part No
654-D38999/24WB35PA

Amphenol Aerospace

Circular MIL Spec Connector 13P SIZE 11 PANEL MOUNT PIN

Learn More

Datasheet

98In Stock

$40.82

$37.62

$36.14

$34.57

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 5P FM SZ 11 PIN PNL MNT

D38999/24WB5PN
Amphenol Aerospace
1: $62.80
99In Stock
100Expected 26/10/2026

Mfr. Part No.
D38999/24WB5PN

Mouser Part No
654-D38999/24WB5PN

Amphenol Aerospace

Circular MIL Spec Connector 5P FM SZ 11 PIN PNL MNT

Learn More

Datasheet

99In Stock

100Expected 26/10/2026

$62.80

$53.38

$50.03

$45.37

Min.: 1
Mult.: 1

Circular MIL Spec Connector 6P RCPT SZ 11 PIN PNL MNT

D38999/24WB98PN
Amphenol Aerospace
1: $54.76
83In Stock
292On Order

Mfr. Part No.
D38999/24WB98PN

Mouser Part No
654-D38999/24WB98PN

Amphenol Aerospace

Circular MIL Spec Connector 6P RCPT SZ 11 PIN PNL MNT

Learn More

Datasheet

83In Stock

292On Order

$54.76

$48.43

$44.50

$42.38

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector 7P JAM NUT SOC SZ 11

D38999/24WB99SN
Amphenol Aerospace
1: $117.70
49In Stock
100Expected 05/11/2026

Mfr. Part No.
D38999/24WB99SN

Mouser Part No
654-D38999/24WB99SN

Amphenol Aerospace

Circular MIL Spec Connector 7P JAM NUT SOC SZ 11

Learn More

Datasheet

49In Stock

100Expected 05/11/2026

$117.70

$107.72

$82.97

Quote

Min.: 1
Mult.: 1

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

D38999/24WC4PN
Amphenol Aerospace
1: $83.63
60In Stock
306On Order

Mfr. Part No.
D38999/24WC4PN

Mouser Part No
654-D38999/24WC4PN

Amphenol Aerospace

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

Learn More

Datasheet

60In Stock

306On Order

$83.63

$67.92

$65.56

$64.90

Min.: 1
Mult.: 1

Self Locking Connectors

Types of Connectors

Customer Service Office

Company

Resources

Support