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

Locking Connectors

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

Types of Connectors

List Images

Results: 876

Applied Filters:

Type = 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 #

Headers & Wire Housings KK RPC 156 Hdr Assy FL RA 04Ckt 15Au T&R

171814-4004
Molex
1: $2.97
209In Stock

Mfr. Part No.
171814-4004

Mouser Part No
538-171814-4004

Molex

Headers & Wire Housings KK RPC 156 Hdr Assy FL RA 04Ckt 15Au T&R

Learn More

Datasheet

209In Stock

Cut Tape

$2.97

$2.54

$2.15

$2.10

Reel

$1.92

View

Min.: 1
Mult.: 1

: 840

Headers & Wire Housings KK Hdr Vrt 3 Ckt 2.54mm Pitch Sn

171856-0003
Molex
1: $0.50
3,587In Stock

Mfr. Part No.
171856-0003

Mouser Part No
538-171856-0003

Molex

Headers & Wire Housings KK Hdr Vrt 3 Ckt 2.54mm Pitch Sn

Learn More

Datasheet

3,587In Stock

$0.50

$0.428

$0.396

$0.348

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr Vrt 6 Ckt 2.54mm Pitch Sn

171856-0006
Molex
1: $0.598
41In Stock
11,400Expected 8/7/2026

Mfr. Part No.
171856-0006

Mouser Part No
538-171856-0006

Molex

Headers & Wire Housings KK Hdr Vrt 6 Ckt 2.54mm Pitch Sn

Learn More

Datasheet

41In Stock

11,400Expected 8/7/2026

$0.598

$0.53

$0.467

$0.417

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr Vrt 7 Ckt 2.54mm Pitch Sn

171856-0007
Molex
1: $0.89
746In Stock

Mfr. Part No.
171856-0007

Mouser Part No
538-171856-0007

Molex

Headers & Wire Housings KK Hdr Vrt 7 Ckt 2.54mm Pitch Sn

Learn More

Datasheet

746In Stock

$0.89

$0.759

$0.646

$0.577

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr Vrt 9 Ckt 2.54mm Pitch Sn

171856-0009
Molex
1: $0.987
1,325In Stock

Mfr. Part No.
171856-0009

Mouser Part No
538-171856-0009

Molex

Headers & Wire Housings KK Hdr Vrt 9 Ckt 2.54mm Pitch Sn

Learn More

Datasheet

1,325In Stock

$0.987

$0.844

$0.717

$0.641

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr Vrt 10 Ckt 2.54mm Pitch Sn

171856-0010
Molex
1: $1.29
1,973In Stock

Mfr. Part No.
171856-0010

Mouser Part No
538-171856-0010

Molex

Headers & Wire Housings KK Hdr Vrt 10 Ckt 2.54mm Pitch Sn

Learn More

Datasheet

1,973In Stock

$1.29

$1.10

$0.931

$0.831

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 5Ckt Tin

171856-0105
Molex
1: $0.598
5,526In Stock

Mfr. Part No.
171856-0105

Mouser Part No
538-171856-0105

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 5Ckt Tin

Datasheet

5,526In Stock

$0.598

$0.512

$0.435

$0.388

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr Vrt 6 Ckt 2.54mm Pitch 15um Au

171856-1006
Molex
1: $1.85
901In Stock

Mfr. Part No.
171856-1006

Mouser Part No
538-171856-1006

Molex

Headers & Wire Housings KK Hdr Vrt 6 Ckt 2.54mm Pitch 15um Au

Learn More

Datasheet

901In Stock

$1.85

$1.56

$1.50

$1.40

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr Vrt 7 Ckt 2.54mm Pitch 15um Au

171856-1007
Molex
1: $1.83
825In Stock

Mfr. Part No.
171856-1007

Mouser Part No
538-171856-1007

Molex

Headers & Wire Housings KK Hdr Vrt 7 Ckt 2.54mm Pitch 15um Au

Learn More

Datasheet

825In Stock

$1.83

$1.57

$1.33

$1.19

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 03 Ckt Tin T&R

171856-3003
Molex
1: $1.33
2,910In Stock

Mfr. Part No.
171856-3003

Mouser Part No
538-171856-3003

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 03 Ckt Tin T&R

Learn More

Datasheet

2,910In Stock

Cut Tape

$1.33

$1.12

$1.07

$0.869

Reel

$0.724

View

Min.: 1
Mult.: 1

: 1,050

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 06 Ckt Tin T&R

171856-3006
Molex
1: $1.49
25In Stock

Mfr. Part No.
171856-3006

Mouser Part No
538-171856-3006

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 06 Ckt Tin T&R

Learn More

Datasheet

25In Stock

Cut Tape

$1.49

$1.37

$1.27

$1.16

Reel

$1.00

View

Min.: 1
Mult.: 1

: 1,050

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 08 Ckt Tin T&R

171856-3008
Molex
1: $2.61
6In Stock

Mfr. Part No.
171856-3008

Mouser Part No
538-171856-3008

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 08 Ckt Tin T&R

Learn More

Datasheet

6In Stock

Cut Tape

$2.61

$1.56

$1.52

$1.46

Reel

$1.39

View

Min.: 1
Mult.: 1

: 1,050

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert04 Ckt 15Au T&R

171856-4004
Molex
1: $2.00
314In Stock

Mfr. Part No.
171856-4004

Mouser Part No
538-171856-4004

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk Vert04 Ckt 15Au T&R

Learn More

Datasheet

314In Stock

Cut Tape

$2.00

$1.70

$1.63

$1.27

Reel

$1.08

View

Min.: 1
Mult.: 1

: 1,050

Headers & Wire Housings KK Hdr RA 2 Ckt 2.54mm Pitch Sn

171857-0002
Molex
1: $0.431
9,195In Stock

Mfr. Part No.
171857-0002

Mouser Part No
538-171857-0002

Molex

Headers & Wire Housings KK Hdr RA 2 Ckt 2.54mm Pitch Sn

Learn More

Datasheet

9,195In Stock

$0.431

$0.367

$0.357

$0.31

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr RA 4 Ckt 2.54mm Pitch Sn

171857-0004
Molex
1: $0.445
1,608In Stock
17,100Expected 1/10/2026

Mfr. Part No.
171857-0004

Mouser Part No
538-171857-0004

Molex

Headers & Wire Housings KK Hdr RA 4 Ckt 2.54mm Pitch Sn

Learn More

Datasheet

1,608In Stock

17,100Expected 1/10/2026

$0.445

$0.371

$0.328

$0.284

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr RA 9 Ckt 2.54mm Pitch Sn

171857-0009
Molex
1: $1.18
967In Stock

Mfr. Part No.
171857-0009

Mouser Part No
538-171857-0009

Molex

Headers & Wire Housings KK Hdr RA 9 Ckt 2.54mm Pitch Sn

Learn More

Datasheet

967In Stock

$1.18

$1.02

$0.933

$0.842

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK Hdr RA 4 Ckt 2.54mm Pitch 15um Au

171857-1004
Molex
1: $2.24
1,309In Stock

Mfr. Part No.
171857-1004

Mouser Part No
538-171857-1004

Molex

Headers & Wire Housings KK Hdr RA 4 Ckt 2.54mm Pitch 15um Au

Learn More

Datasheet

1,309In Stock

$2.24

$1.99

$1.95

$1.79

View

Min.: 1
Mult.: 1

Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 03 Ckt Tin T&R

171857-3003
Molex
1: $0.931
3,439In Stock

Mfr. Part No.
171857-3003

Mouser Part No
538-171857-3003

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 03 Ckt Tin T&R

Learn More

Datasheet

3,439In Stock

Cut Tape

$0.931

$0.81

$0.741

$0.669

Reel

$0.466

View

Min.: 1
Mult.: 1

: 3,300

Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 04 Ckt Tin T&R

171857-3004
Molex
1: $0.806
2,100In Stock
9,900Expected 8/7/2026

Mfr. Part No.
171857-3004

Mouser Part No
538-171857-3004

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 04 Ckt Tin T&R

Datasheet

2,100In Stock

9,900Expected 8/7/2026

Cut Tape

$0.806

$0.694

$0.634

$0.571

Reel

$0.403

View

Min.: 1
Mult.: 1

: 3,300

Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 06 Ckt Tin T&R

171857-3006
Molex
1: $1.31
2,470In Stock

Mfr. Part No.
171857-3006

Mouser Part No
538-171857-3006

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 06 Ckt Tin T&R

Learn More

Datasheet

2,470In Stock

Cut Tape

$1.31

$1.30

$1.04

$1.03

Reel

$0.637

View

Min.: 1
Mult.: 1

: 2,700

Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 09 Ckt Tin T&R

171857-3009
Molex
1: $1.53
590In Stock

Mfr. Part No.
171857-3009

Mouser Part No
538-171857-3009

Molex

Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 09 Ckt Tin T&R

Learn More

Datasheet

590In Stock

Cut Tape

$1.53

$1.29

$1.24

$1.16

Reel

$0.809

View

Min.: 1
Mult.: 1

: 2,100

Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 02 Ckt 15Au T&R

171857-4002
Molex
1: $0.876
14In Stock
9,900Expected 14/8/2026

Mfr. Part No.
171857-4002

Mouser Part No
538-171857-4002

Molex

Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 02 Ckt 15Au T&R

Learn More

Datasheet

14In Stock

9,900Expected 14/8/2026

Cut Tape

$0.876

$0.749

$0.657

$0.609

Reel

$0.559

View

Min.: 1
Mult.: 1

: 3,300

Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 03 Ckt 15Au T&R

171857-4003
Molex
1: $1.21
265In Stock

Mfr. Part No.
171857-4003

Mouser Part No
538-171857-4003

Molex

Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 03 Ckt 15Au T&R

Learn More

Datasheet

265In Stock

Cut Tape

$1.21

$1.03

$0.983

$0.922

Reel

$0.834

View

Min.: 1
Mult.: 1

: 3,300

Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 05 Ckt 15Au T&R

171857-4005
Molex
1: $2.24
691In Stock

Mfr. Part No.
171857-4005

Mouser Part No
538-171857-4005

Molex

Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 05 Ckt 15Au T&R

Learn More

Datasheet

691In Stock

Cut Tape

$2.24

$1.96

$1.88

$1.75

Reel

$1.28

View

Min.: 1
Mult.: 1

: 3,300

Headers & Wire Housings KK 100 Hdr FrLk Vert 5Ckt Tin VoidCkt 2&

22-04-5057
Molex
1: $0.862
574In Stock

Mfr. Part No.
22-04-5057

Mouser Part No
538-22-04-5057

Molex

Headers & Wire Housings KK 100 Hdr FrLk Vert 5Ckt Tin VoidCkt 2&

Learn More

Datasheet

574In Stock

$0.862

$0.755

$0.689

$0.623

View

Min.: 1
Mult.: 1

Locking Connectors

Types of Connectors

Customer Service Office

Company

Resources

Support