.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: 2,927

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 #

Standoffs & Spacers 1/4 HEX M/F STDOFF 1-3/8" 4-40 AL CLR

4548-440-AL-7
RAF Electronic Hardware
1: $1.71
250In Stock

Mfr. Part No.
4548-440-AL-7

Mouser Part No
761-4548-440-AL-7

RAF Electronic Hardware

Standoffs & Spacers 1/4 HEX M/F STDOFF 1-3/8" 4-40 AL CLR

Datasheet

250In Stock

$1.71

$1.28

$0.996

$0.938

View

Min.: 1
Mult.: 1

Standoffs & Spacers 1/4 HEX M/F STDOFF 1-7/16" 4-40 SS

4549-440-SS
RAF Electronic Hardware
1: $2.92
17In Stock

Mfr. Part No.
4549-440-SS

Mouser Part No
761-4549-440-SS

RAF Electronic Hardware

Standoffs & Spacers 1/4 HEX M/F STDOFF 1-7/16" 4-40 SS

Datasheet

17In Stock

$2.92

$2.71

$2.42

$2.27

View

Min.: 1
Mult.: 1

Screws & Fasteners 0.1245 X 0.1875 4-40 SKTHD SHOULDER SCRE

6902-SS
RAF Electronic Hardware
1: $2.50
178In Stock

Mfr. Part No.
6902-SS

Mouser Part No
761-6902-SS

RAF Electronic Hardware

Screws & Fasteners 0.1245 X 0.1875 4-40 SKTHD SHOULDER SCRE

Datasheet

178In Stock

$2.50

$1.39

$1.28

$1.21

View

Min.: 1
Mult.: 1

Standoffs & Spacers 3/16 HEX 3/16" LNGTH SS 440 THREAD M/F

FC4500-440-SS
Fascomp
1: $1.07
11,688In Stock

Mfr. Part No.
FC4500-440-SS

Mouser Part No
728-FC4500-440-SS

Fascomp

Standoffs & Spacers 3/16 HEX 3/16" LNGTH SS 440 THREAD M/F

Datasheet

11,688In Stock

$1.07

$0.767

$0.613

$0.552

View

Min.: 1
Mult.: 1

Standoffs & Spacers SWAGE THREAD STDOFF .140"L BRASS 4-40

1790-3
Keystone Electronics
1: $0.979
244In Stock

Mfr. Part No.
1790-3

Mouser Part No
534-1790-3

Keystone Electronics

Standoffs & Spacers SWAGE THREAD STDOFF .140"L BRASS 4-40

Datasheet

244In Stock

$0.979

$0.751

$0.713

$0.638

View

Min.: 1
Mult.: 1

Screws & Fasteners 15/16 LNGTH 11/64DIA 4-40 THRD CAP SCREW

0828-SS
RAF Electronic Hardware
1: $3.63
10In Stock
130Expected 2/11/2026

Mfr. Part No.
0828-SS

Mouser Part No
761-0828-SS

RAF Electronic Hardware

Screws & Fasteners 15/16 LNGTH 11/64DIA 4-40 THRD CAP SCREW

Datasheet

10In Stock

130Expected 2/11/2026

$3.63

$2.75

$2.58

$2.42

View

Min.: 1
Mult.: 1

Standoffs & Spacers AL 4-40 7/8in 3/16in Round FEM Standoff

1643-440-AL
RAF Electronic Hardware
1: $1.02
379In Stock

Mfr. Part No.
1643-440-AL

Mouser Part No
761-1643-440-AL

RAF Electronic Hardware

Standoffs & Spacers AL 4-40 7/8in 3/16in Round FEM Standoff

Datasheet

379In Stock

$1.02

$0.747

$0.597

$0.537

View

Min.: 1
Mult.: 1

Standoffs & Spacers AL 4-40 5/16in 1/4in Round FEM Standoff

1681-440-AL
RAF Electronic Hardware
1: $1.03
402In Stock

Mfr. Part No.
1681-440-AL

Mouser Part No
761-1681-440-AL

RAF Electronic Hardware

Standoffs & Spacers AL 4-40 5/16in 1/4in Round FEM Standoff

Datasheet

402In Stock

$1.03

$0.756

$0.604

$0.543

View

Min.: 1
Mult.: 1

Standoffs & Spacers SS 4-40 13/16in HEX FEM Standoff

2062-440-SS
RAF Electronic Hardware
1: $5.20
13In Stock

Mfr. Part No.
2062-440-SS

Mouser Part No
761-2062-440-SS

RAF Electronic Hardware

Standoffs & Spacers SS 4-40 13/16in HEX FEM Standoff

Datasheet

13In Stock

$5.20

$4.81

$4.04

$3.79

View

Min.: 1
Mult.: 1

Standoffs & Spacers 1/4 Hex Fem Stdoff 7/32" SS 4-40

2099T-440-SS
RAF Electronic Hardware
1: $2.08
38In Stock

Mfr. Part No.
2099T-440-SS

Mouser Part No
761-2099T-440-SS

RAF Electronic Hardware

Standoffs & Spacers 1/4 Hex Fem Stdoff 7/32" SS 4-40

Datasheet

38In Stock

$2.08

$1.55

$1.21

$1.13

View

Min.: 1
Mult.: 1

Standoffs & Spacers STEEL 4-40 11/16in HEX ML/FEM Standoff

4508-440-S-12
RAF Electronic Hardware
1: $1.48
475In Stock

Mfr. Part No.
4508-440-S-12

Mouser Part No
761-4508-440-S-12

RAF Electronic Hardware

Standoffs & Spacers STEEL 4-40 11/16in HEX ML/FEM Standoff

Datasheet

475In Stock

$1.48

$1.11

$0.862

$0.812

View

Min.: 1
Mult.: 1

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

4535T-440-SS
RAF Electronic Hardware
1: $3.05
159In Stock

Mfr. Part No.
4535T-440-SS

Mouser Part No
761-4535T-440-SS

RAF Electronic Hardware

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

Datasheet

159In Stock

$3.05

$2.27

$1.77

$1.66

View

Min.: 1
Mult.: 1

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

4538T-440-SS
RAF Electronic Hardware
1: $4.11
8In Stock

Mfr. Part No.
4538T-440-SS

Mouser Part No
761-4538T-440-SS

RAF Electronic Hardware

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

Datasheet

8In Stock

$4.11

$3.81

$3.39

$3.18

View

Min.: 1
Mult.: 1

Standoffs & Spacers RND .250X.500 ZBRASS

1547C
Keystone Electronics
1: $1.18
1,683In Stock

Mfr. Part No.
1547C

Mouser Part No
534-1547C

Keystone Electronics

Standoffs & Spacers RND .250X.500 ZBRASS

Learn More

Datasheet

1,683In Stock

$1.18

$0.971

$0.949

$0.908

View

Min.: 1
Mult.: 1

Standoffs & Spacers STEEL 4-40 1/2in HEX ML/FEM Standoff

4505-440-S-12
RAF Electronic Hardware
1: $1.06
1,831In Stock

Mfr. Part No.
4505-440-S-12

Mouser Part No
761-4505-440-S-12

RAF Electronic Hardware

Standoffs & Spacers STEEL 4-40 1/2in HEX ML/FEM Standoff

Datasheet

1,831In Stock

$1.06

$0.885

$0.726

$0.703

View

Min.: 1
Mult.: 1

Screws & Fasteners 3/16 JAX 1/4" LNGTH SS 440 THREAD HEX

FC47502-SS
Fascomp
1: $1.13
4,273In Stock

Mfr. Part No.
FC47502-SS

Mouser Part No
728-FC4750-2-SS

Fascomp

Screws & Fasteners 3/16 JAX 1/4" LNGTH SS 440 THREAD HEX

Datasheet

4,273In Stock

$1.13

$0.88

$0.802

$0.707

View

Min.: 1
Mult.: 1

Screws & Fasteners 4-40X1/4", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

S4-40X1/4 2701
APM HEXSEAL
1: $0.952
95In Stock
150Expected 21/8/2026

Mfr. Part No.
S4-40X1/4 2701

Mouser Part No
608-S4-40X1/42701

APM HEXSEAL

Screws & Fasteners 4-40X1/4", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

95In Stock

150Expected 21/8/2026

$0.952

$0.734

$0.669

$0.589

View

Min.: 1
Mult.: 1

Standoffs & Spacers Hex Male-Female Standoffs 1/4 Hex X 1-7/16 Length

4549-440-B-5
RAF Electronic Hardware
1: $6.46
33In Stock

Mfr. Part No.
4549-440-B-5

Mouser Part No
761-4549-440-B-5

RAF Electronic Hardware

Standoffs & Spacers Hex Male-Female Standoffs 1/4 Hex X 1-7/16 Length

Datasheet

33In Stock

$6.46

$5.98

$5.33

$5.00

View

Min.: 1
Mult.: 1

Standoffs & Spacers 1/4 RD FM S/O 9/32 4-40 STAINLESS STEEL

1680T-440-SS
RAF Electronic Hardware
1: $2.76
510In Stock

Mfr. Part No.
1680T-440-SS

Mouser Part No
761-1680T-440-SS

RAF Electronic Hardware

Standoffs & Spacers 1/4 RD FM S/O 9/32 4-40 STAINLESS STEEL

Datasheet

510In Stock

$2.76

$2.05

$1.59

$1.50

View

Min.: 1
Mult.: 1

Standoffs & Spacers 3/16 Hex X 15/32 Length Hex Male-Female Standoff

4504T-440-SS
RAF Electronic Hardware
1: $2.11
256In Stock

Mfr. Part No.
4504T-440-SS

Mouser Part No
761-4504T-440-SS

RAF Electronic Hardware

Standoffs & Spacers 3/16 Hex X 15/32 Length Hex Male-Female Standoff

Datasheet

256In Stock

$2.11

$1.11

$1.04

$1.00

View

Min.: 1
Mult.: 1

Standoffs & Spacers RND .250X.500 ALUM

3480
Keystone Electronics
1: $0.558
7,923In Stock

Mfr. Part No.
3480

Mouser Part No
534-3480

Keystone Electronics

Standoffs & Spacers RND .250X.500 ALUM

Learn More

Datasheet

7,923In Stock

$0.558

$0.483

$0.449

$0.384

View

Min.: 1
Mult.: 1

Standoffs & Spacers 13/16 LNGTH 4-40 ML/FML HEX STANDOFF

4539-440-AL-7
RAF Electronic Hardware
1: $1.14
2,453In Stock

Mfr. Part No.
4539-440-AL-7

Mouser Part No
761-4539-440-AL-7

RAF Electronic Hardware

Standoffs & Spacers 13/16 LNGTH 4-40 ML/FML HEX STANDOFF

Datasheet

2,453In Stock

$1.14

$0.921

$0.775

$0.73

View

Min.: 1
Mult.: 1

Screws & Fasteners 4-40X7/16", Phillips Flat Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

SFR4-40X7/16 2701 100 DEG
APM HEXSEAL
1: $1.24
111In Stock

Mfr. Part No.
SFR4-40X7/16 2701 100 DEG

Mouser Part No
608-40X7162701100DEG

APM HEXSEAL

Screws & Fasteners 4-40X7/16", Phillips Flat Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

111In Stock

$1.24

$0.955

$0.87

$0.766

View

Min.: 1
Mult.: 1

Standoffs & Spacers

2101-440-SS-45
RAF Electronic Hardware
1: $3.09
84In Stock

Mfr. Part No.
2101-440-SS-45

Mouser Part No
761-2101-440-SS-45

RAF Electronic Hardware

Standoffs & Spacers

84In Stock

$3.09

$2.86

$2.54

$2.39

View

Min.: 1
Mult.: 1

Standoffs & Spacers 3/16 RD X 1-3/8 Length Round Male-Female Standoff

4019-440-n
RAF Electronic Hardware
1: $2.18
74In Stock

Mfr. Part No.
4019-440-n

Mouser Part No
761-4019-440-N

RAF Electronic Hardware

Standoffs & Spacers 3/16 RD X 1-3/8 Length Round Male-Female Standoff

Datasheet

74In Stock

$2.18

$1.62

$1.27

$1.19

View

Min.: 1
Mult.: 1

4-40 Hardware

Types of Hardware

Customer Service Office

Company

Resources

Support