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

4-40 Connectors

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

Types of Connectors

List Images

Results: 130

Applied Filters:

Thread Size = 4-40

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 #

D-Sub Tools & Hardware SCREWLOCK W/SPRING WASHER

178877-1
TE Connectivity / AMP
1: $1.12
17,482In Stock

Mfr. Part No.
178877-1

Mouser Part No
571-178877-1

TE Connectivity / AMP

D-Sub Tools & Hardware SCREWLOCK W/SPRING WASHER

Learn More

Datasheet

17,482In Stock

$1.12

$0.966

$0.883

$0.796

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware FEMALE SCRWLCK DSUB

5205818-3
TE Connectivity
1: $1.28
23,548In Stock

Mfr. Part No.
5205818-3

Mouser Part No
571-5205818-3

TE Connectivity

D-Sub Tools & Hardware FEMALE SCRWLCK DSUB

Learn More

Datasheet

23,548In Stock

$1.28

$1.12

$1.03

$0.926

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware SPECIAL ZINC SCREW

5206052-3
TE Connectivity
1: $4.12
3,064In Stock

Mfr. Part No.
5206052-3

Mouser Part No
571-5206052-3

TE Connectivity

D-Sub Tools & Hardware SPECIAL ZINC SCREW

Learn More

Datasheet

3,064In Stock

$4.12

$3.52

$3.37

$3.28

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK

5207953-2
TE Connectivity
1: $0.952
10,900In Stock

Mfr. Part No.
5207953-2

Mouser Part No
571-5207953-2

TE Connectivity

D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK

Learn More

Datasheet

10,900In Stock

$0.952

$0.805

$0.719

$0.668

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware HDF FILLISTER HEAD SCR

5746879-1
TE Connectivity / AMP
1: $0.87
6,076In Stock

Mfr. Part No.
5746879-1

Mouser Part No
571-5746879-1

TE Connectivity / AMP

D-Sub Tools & Hardware HDF FILLISTER HEAD SCR

Datasheet

6,076In Stock

$0.87

$0.751

$0.67

$0.634

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK

5748270-2
TE Connectivity / AMP
1: $1.90
8,091In Stock
10,650On Order

Mfr. Part No.
5748270-2

Mouser Part No
571-5748270-2

TE Connectivity / AMP

D-Sub Tools & Hardware DSUB ACC: FEMALE SCREWLOCK

Learn More

Datasheet

8,091In Stock

10,650On Order

$1.90

$1.62

$1.47

$1.40

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware FEMALE SCREWLOCK

5748271-1
TE Connectivity
1: $4.23
1,145In Stock

Mfr. Part No.
5748271-1

Mouser Part No
571-5748271-1

TE Connectivity

D-Sub Tools & Hardware FEMALE SCREWLOCK

Learn More

Datasheet

1,145In Stock

$4.23

$3.89

$3.70

$3.55

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware F screw lock for Cbl

863001060TLF
Amphenol Commercial Products
1: $1.01
4,887In Stock
11,000Expected 25/9/2026

Mfr. Part No.
863001060TLF

Mouser Part No
649-863001060TLF

Amphenol Commercial Products

D-Sub Tools & Hardware F screw lock for Cbl

Learn More

Datasheet

4,887In Stock

11,000Expected 25/9/2026

$1.01

$0.857

$0.768

$0.732

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware Screw Lock for Hood

173112-0333
Molex / FCT
1: $0.544
5In Stock
6,000On Order

Mfr. Part No.
173112-0333

Mouser Part No
152-FVS1/5-K1163

Molex / FCT

D-Sub Tools & Hardware Screw Lock for Hood

Datasheet

5In Stock

6,000On Order

$0.544

$0.46

$0.412

$0.364

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware ADPT COVER DB25 SHIELDED MTL

DHS25
L-Com
1: $37.05
3In Stock
New At Mouser

Mfr. Part No.
DHS25

Mouser Part No
17-DHS25

New At Mouser

L-Com

D-Sub Tools & Hardware ADPT COVER DB25 SHIELDED MTL

Datasheet

3In Stock

$37.05

$29.69

$28.04

$27.04

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware HOOD DB25/HD44 METAL

SDC25AG
L-Com
1: $27.36
102In Stock
133On Order
New At Mouser

Mfr. Part No.
SDC25AG

Mouser Part No
17-SDC25AG

New At Mouser

L-Com

D-Sub Tools & Hardware HOOD DB25/HD44 METAL

Datasheet

102In Stock

133On Order

$27.36

$23.72

$22.48

$22.15

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware D SUB-FEMALE SCREW LOCK ASSBLY KIT

L17D204182
Amphenol Commercial Products
1: $1.96
83In Stock
500Expected 9/12/2026

Mfr. Part No.
L17D204182

Mouser Part No
523-L17D204182

Amphenol Commercial Products

D-Sub Tools & Hardware D SUB-FEMALE SCREW LOCK ASSBLY KIT

Datasheet

83In Stock

500Expected 9/12/2026

$1.96

$1.67

$1.50

$1.43

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware D-Sub Accessory Screwlock Nut/Washer

L17D204182X
Amphenol Commercial Products
1: $11.08
6In Stock
800Expected 27/11/2026

Mfr. Part No.
L17D204182X

Mouser Part No
523-L17D204182X

Amphenol Commercial Products

D-Sub Tools & Hardware D-Sub Accessory Screwlock Nut/Washer

Datasheet

6In Stock

800Expected 27/11/2026

$11.08

$9.68

$9.08

$8.65

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware D-SUB ACCESSORY

L17D2041921X
Amphenol Commercial Products
1: $9.49
36In Stock
200Expected 20/11/2026

Mfr. Part No.
L17D2041921X

Mouser Part No
523-L17D2041921X

Amphenol Commercial Products

D-Sub Tools & Hardware D-SUB ACCESSORY

Datasheet

36In Stock

200Expected 20/11/2026

$9.49

$8.35

$8.08

$7.96

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware FEMALE SCREW LOCKS 4-40 THREAD 11MM

09670009974
HARTING
1: $0.83
4,437In Stock
5,000Expected 28/8/2026

Mfr. Part No.
09670009974

Mouser Part No
617-09-67-000-9974

HARTING

D-Sub Tools & Hardware FEMALE SCREW LOCKS 4-40 THREAD 11MM

Datasheet

4,437In Stock

5,000Expected 28/8/2026

$0.83

$0.703

$0.627

$0.596

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware D SUB-SCREW-LOCK FE-UNC/M3-13MM-NI

09670019954
HARTING
1: $0.83
3,223In Stock

Mfr. Part No.
09670019954

Mouser Part No
617-09670019954

HARTING

D-Sub Tools & Hardware D SUB-SCREW-LOCK FE-UNC/M3-13MM-NI

Datasheet

3,223In Stock

$0.83

$0.703

$0.627

$0.596

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware DSUB FEM SCREW LOCK

863001017TLF
Amphenol Commercial Products
1: $1.02
893In Stock
1,000Expected 23/10/2026

Mfr. Part No.
863001017TLF

Mouser Part No
649-863001017TLF

Amphenol Commercial Products

D-Sub Tools & Hardware DSUB FEM SCREW LOCK

Datasheet

893In Stock

1,000Expected 23/10/2026

$1.02

$0.862

$0.768

$0.732

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware F screw lock for PCB

863001019TLF
Amphenol Commercial Products
1: $0.694
5,160In Stock
9,000Expected 25/9/2026

Mfr. Part No.
863001019TLF

Mouser Part No
649-863001019TLF

Amphenol Commercial Products

D-Sub Tools & Hardware F screw lock for PCB

Learn More

Datasheet

5,160In Stock

9,000Expected 25/9/2026

$0.694

$0.484

$0.447

$0.435

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware Male screw lock 50 Socket

863003ATLF
Amphenol Commercial Products
1: $1.05
703In Stock

Mfr. Part No.
863003ATLF

Mouser Part No
649-863003ATLF

Amphenol Commercial Products

D-Sub Tools & Hardware Male screw lock 50 Socket

Learn More

Datasheet

703In Stock

$1.05

$0.925

$0.853

$0.842

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware DSUB FEM SCREW LOCK

86551009TLF
Amphenol Commercial Products
1: $0.585
4,004In Stock

Mfr. Part No.
86551009TLF

Mouser Part No
649-86551009TLF

Amphenol Commercial Products

D-Sub Tools & Hardware DSUB FEM SCREW LOCK

Learn More

Datasheet

4,004In Stock

$0.585

$0.511

$0.462

$0.442

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware DSUB FEM SCREW LOCK

86552153TLF
Amphenol Commercial Products
1: $1.28
1,206In Stock

Mfr. Part No.
86552153TLF

Mouser Part No
649-86552153TLF

Amphenol Commercial Products

D-Sub Tools & Hardware DSUB FEM SCREW LOCK

Learn More

Datasheet

1,206In Stock

$1.28

$1.08

$0.963

$0.917

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware 9P CAP W/LANYRD FOR MALE

16-000380
Amphenol CONEC
1: $17.49
115In Stock

Mfr. Part No.
16-000380

Mouser Part No
706-16-000380

Amphenol CONEC

D-Sub Tools & Hardware 9P CAP W/LANYRD FOR MALE

Datasheet

115In Stock

$17.49

$14.88

$13.94

$13.55

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware CAP METAL 9 POS MALE W/SCREWS

165X16769X
Amphenol CONEC
1: $4.60
314In Stock
600Expected 25/9/2026

Mfr. Part No.
165X16769X

Mouser Part No
706-165X16769X

Amphenol CONEC

D-Sub Tools & Hardware CAP METAL 9 POS MALE W/SCREWS

Learn More

Datasheet

314In Stock

600Expected 25/9/2026

$4.60

$3.66

$3.48

$3.47

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware FCT SCREW 4-40/4-40 10.7 ZINC PLATED

173112-0302
Molex / FCT
1: $0.544
1,935In Stock

Mfr. Part No.
173112-0302

Mouser Part No
152-173112-0302

Molex / FCT

D-Sub Tools & Hardware FCT SCREW 4-40/4-40 10.7 ZINC PLATED

Datasheet

1,935In Stock

$0.544

$0.46

$0.411

$0.392

View

Min.: 1
Mult.: 1

D-Sub Tools & Hardware FCT THMB SCREW 4-40 55.6

173112-0426
Molex / FCT
1: $2.87
574In Stock
1,000Expected 6/11/2026

Mfr. Part No.
173112-0426

Mouser Part No
152-173112-0426

Molex / FCT

D-Sub Tools & Hardware FCT THMB SCREW 4-40 55.6

Datasheet

574In Stock

1,000Expected 6/11/2026

$2.87

$2.45

$2.19

$2.07

View

Min.: 1
Mult.: 1

4-40 Connectors

Types of Connectors

Customer Service Office

Company

Resources

Support