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

4-40 Hardware

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

Types of Hardware

List Images

Results: 2,928

Applied Filters:

Thread Size = 4-40

Manufacturer

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 #

Standoffs & Spacers SS 4-40 3/8in 3/16in Round FEM Standoff

1635-440-SS
RAF Electronic Hardware
1: $1.18
2,370In Stock
11Expected 18/12/2026

Mfr. Part No.
1635-440-SS

Mouser Part No
761-1635-440-SS

RAF Electronic Hardware

Standoffs & Spacers SS 4-40 3/8in 3/16in Round FEM Standoff

Datasheet

2,370In Stock

11Expected 18/12/2026

$1.18

$0.882

$0.686

$0.647

View

Min.: 1
Mult.: 1

Standoffs & Spacers M/F NYLON STANDOFF 4-40 .375 L

4941
Keystone Electronics
1: $0.72
13,371In Stock

Mfr. Part No.
4941

Mouser Part No
534-4941

Keystone Electronics

Standoffs & Spacers M/F NYLON STANDOFF 4-40 .375 L

Learn More

Datasheet

13,371In Stock

$0.72

$0.562

$0.541

$0.325

View

Min.: 1
Mult.: 1

Standoffs & Spacers 3/8 LNGTH 4-40 ML/FML HEX STANDOFF

4532-440-N
RAF Electronic Hardware
1: $0.48
30,811In Stock

Mfr. Part No.
4532-440-N

Mouser Part No
761-4532-440-N

RAF Electronic Hardware

Standoffs & Spacers 3/8 LNGTH 4-40 ML/FML HEX STANDOFF

Datasheet

30,811In Stock

$0.48

$0.383

$0.333

$0.278

$0.276

Min.: 1
Mult.: 1

Screws & Fasteners 1/2 LNGTH 5/16 DIA 4-40 THRD CAP SCREW

0380-SS
RAF Electronic Hardware
1: $2.29
1,477In Stock

Mfr. Part No.
0380-SS

Mouser Part No
761-0380-SS

RAF Electronic Hardware

Screws & Fasteners 1/2 LNGTH 5/16 DIA 4-40 THRD CAP SCREW

Datasheet

1,477In Stock

$2.29

$1.91

$1.78

$1.52

View

Min.: 1
Mult.: 1

Mounting Fixings FLOATER,ASSEMBLY,LOCKING,416SS

LA4-440-1MD
PEM
1: $2.41
885In Stock

Mfr. Part No.
LA4-440-1MD

Mouser Part No
153-LA4-440-1MD

PEM

Mounting Fixings FLOATER,ASSEMBLY,LOCKING,416SS

Datasheet

885In Stock

$2.41

$2.23

$1.99

$1.87

View

Min.: 1
Mult.: 1

Screws & Fasteners Round Slotted Screw, #4-40 Thread, 5/16 Lg

010440R031
Essentra
1: $0.14
700In Stock

Mfr. Part No.
010440R031

Mouser Part No
144-010440R031

Essentra

Screws & Fasteners Round Slotted Screw, #4-40 Thread, 5/16 Lg

Datasheet

700In Stock

$0.14

$0.106

$0.095

$0.082

View

Min.: 1
Mult.: 1

Standoffs & Spacers PC 104 MOUNTING KIT NYLON

PC104-NY
Keystone Electronics
1: $5.03
33In Stock

Mfr. Part No.
PC104-NY

Mouser Part No
534-PC104-NY

Keystone Electronics

Standoffs & Spacers PC 104 MOUNTING KIT NYLON

Datasheet

33In Stock

$5.03

$4.13

$3.88

$3.53

View

Min.: 1
Mult.: 1

Standoffs & Spacers SS 4-40 1/2in 3/16in Round FEM Standoff

1637-440-SS
RAF Electronic Hardware
1: $2.22
27In Stock

Mfr. Part No.
1637-440-SS

Mouser Part No
761-1637-440-SS

RAF Electronic Hardware

Standoffs & Spacers SS 4-40 1/2in 3/16in Round FEM Standoff

Datasheet

27In Stock

$2.22

$1.65

$1.28

$1.20

View

Min.: 1
Mult.: 1

Standoffs & Spacers 3/16 RD FM S/O 5/8 4-40 NYLON

1639-440-N
RAF Electronic Hardware
1: $1.40
31In Stock

Mfr. Part No.
1639-440-N

Mouser Part No
761-1639-440-N

RAF Electronic Hardware

Standoffs & Spacers 3/16 RD FM S/O 5/8 4-40 NYLON

Datasheet

31In Stock

$1.40

$1.05

$0.817

$0.77

View

Min.: 1
Mult.: 1

Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF

2051-440-SS
RAF Electronic Hardware
1: $1.13
434In Stock

Mfr. Part No.
2051-440-SS

Mouser Part No
761-2051-440-SS

RAF Electronic Hardware

Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF

Datasheet

434In Stock

$1.13

$0.56

$0.481

$0.452

View

Min.: 1
Mult.: 1

Standoffs & Spacers 3/16 Hex Fem Stdoff 13/32" Alum 4-40

2055T-440-AL-7
RAF Electronic Hardware
1: $0.46
987In Stock

Mfr. Part No.
2055T-440-AL-7

Mouser Part No
761-2055T-440-AL-7

RAF Electronic Hardware

Standoffs & Spacers 3/16 Hex Fem Stdoff 13/32" Alum 4-40

Datasheet

987In Stock

$0.46

$0.369

$0.32

$0.303

View

Min.: 1
Mult.: 1

Standoffs & Spacers 1/4 Hex X 13/16 Length Hex Male-Female Standoff

4539-440-AL
RAF Electronic Hardware
1: $0.90
150In Stock

Mfr. Part No.
4539-440-AL

Mouser Part No
761-4539-440-AL

RAF Electronic Hardware

Standoffs & Spacers 1/4 Hex X 13/16 Length Hex Male-Female Standoff

Datasheet

150In Stock

$0.90

$0.67

$0.532

$0.492

View

Min.: 1
Mult.: 1

Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 1 1/4 in Lg

010440B125
Essentra
1: $0.13
724In Stock

Mfr. Part No.
010440B125

Mouser Part No
144-010440B125

Essentra

Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 1 1/4 in Lg

Datasheet

724In Stock

$0.13

$0.095

$0.085

$0.073

View

Min.: 1
Mult.: 1

Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 1 1/2 in Lg

010440B150
Essentra
1: $0.13
2,683In Stock

Mfr. Part No.
010440B150

Mouser Part No
144-010440B150

Essentra

Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 1 1/2 in Lg

Datasheet

2,683In Stock

$0.13

$0.098

$0.088

$0.076

View

Min.: 1
Mult.: 1

Screws & Fasteners Round Slotted Screw, #4-40 Thread, 1/8 Lg

010440R012
Essentra
1: $0.11
972In Stock

Mfr. Part No.
010440R012

Mouser Part No
144-010440R012

Essentra

Screws & Fasteners Round Slotted Screw, #4-40 Thread, 1/8 Lg

Datasheet

972In Stock

$0.11

$0.088

$0.079

$0.068

View

Min.: 1
Mult.: 1

Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 5/16 Lg

010440T031
Essentra
1: $0.12
1,830In Stock

Mfr. Part No.
010440T031

Mouser Part No
144-010440T031

Essentra

Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 5/16 Lg

Datasheet

1,830In Stock

$0.12

$0.086

$0.077

$0.067

View

Min.: 1
Mult.: 1

Screws & Fasteners Fillister Phillips Screw, #4-40 Thread, 1 1/8 Lg

010440WF112
Essentra
1: $0.14
870In Stock

Mfr. Part No.
010440WF112

Mouser Part No
144-010440WF112

Essentra

Screws & Fasteners Fillister Phillips Screw, #4-40 Thread, 1 1/8 Lg

Datasheet

870In Stock

$0.14

$0.107

$0.096

$0.083

View

Min.: 1
Mult.: 1

Screws & Fasteners Jack Screw .187 Yellow 4-40

7226
Keystone Electronics
1: $0.58
392In Stock

Mfr. Part No.
7226

Mouser Part No
534-7226

Keystone Electronics

Screws & Fasteners Jack Screw .187 Yellow 4-40

Learn More

Datasheet

392In Stock

$0.58

$0.466

$0.425

$0.347

View

Min.: 1
Mult.: 1

Standoffs & Spacers 5/16 LNGTH 4-40 STD FML HEX STANDOFF

2054-440-N
RAF Electronic Hardware
1: $1.57
290In Stock

Mfr. Part No.
2054-440-N

Mouser Part No
761-2054-440-N

RAF Electronic Hardware

Standoffs & Spacers 5/16 LNGTH 4-40 STD FML HEX STANDOFF

Datasheet

290In Stock

$1.57

$1.17

$0.934

$0.88

View

Min.: 1
Mult.: 1

Standoffs & Spacers 3/16 Hex X 1-3/4 Length Hex Standoff

2077-440-AL
RAF Electronic Hardware
1: $3.02
68In Stock

Mfr. Part No.
2077-440-AL

Mouser Part No
761-2077-440-AL

RAF Electronic Hardware

Standoffs & Spacers 3/16 Hex X 1-3/4 Length Hex Standoff

Datasheet

68In Stock

$3.02

$2.48

$2.13

$2.00

View

Min.: 1
Mult.: 1

Standoffs & Spacers 1/4 Hex Fem Stdoff 1-3/8" SS 4-40

2118-440-SS
RAF Electronic Hardware
1: $2.51
1In Stock

Mfr. Part No.
2118-440-SS

Mouser Part No
761-2118-440-SS

RAF Electronic Hardware

Standoffs & Spacers 1/4 Hex Fem Stdoff 1-3/8" SS 4-40

Datasheet

1In Stock

$2.51

$2.49

$2.36

$2.27

View

Min.: 1
Mult.: 1

Standoffs & Spacers 3/16 RND M/F STDOFF 1" 4-40 SS

4013-440-SS
RAF Electronic Hardware
1: $2.70
40In Stock

Mfr. Part No.
4013-440-SS

Mouser Part No
761-4013-440-SS

RAF Electronic Hardware

Standoffs & Spacers 3/16 RND M/F STDOFF 1" 4-40 SS

Datasheet

40In Stock

$2.70

$2.01

$1.68

$1.47

View

Min.: 1
Mult.: 1

Standoffs & Spacers HEX M/F STANDOFF 1/4 HEX X 1/2 L

4534-440-SS-45
RAF Electronic Hardware
1: $4.42
99In Stock

Mfr. Part No.
4534-440-SS-45

Mouser Part No
761-4534-440-SS-45

RAF Electronic Hardware

Standoffs & Spacers HEX M/F STANDOFF 1/4 HEX X 1/2 L

Datasheet

99In Stock

$4.42

$4.09

$3.64

$3.42

View

Min.: 1
Mult.: 1

Screws & Fasteners Binder Combination Screw, #4-40 Thread, 9/32 Lg

010440CD028
Essentra
1: $0.12
2,313In Stock

Mfr. Part No.
010440CD028

Mouser Part No
144-010440CD028

Essentra

Screws & Fasteners Binder Combination Screw, #4-40 Thread, 9/32 Lg

Learn More

Datasheet

2,313In Stock

$0.12

$0.089

$0.08

$0.069

View

Min.: 1
Mult.: 1

Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 1 1/4 Lg

010440T125
Essentra
1: $0.13
8,831In Stock

Mfr. Part No.
010440T125

Mouser Part No
144-010440T125

Essentra

Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 1 1/4 Lg

Datasheet

8,831In Stock

$0.13

$0.095

$0.085

$0.073

View

Min.: 1
Mult.: 1

4-40 Hardware

Types of Hardware

Customer Service Office

Company

Resources

Support