4-40 – Mouser Singapore

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Part #

Screws & Fasteners SOCKET HEAD SCREW

21405
Keystone Electronics
1: $4.35
43In Stock

Mfr. Part No.
21405

Mouser Part No
534-21405

Keystone Electronics

Screws & Fasteners SOCKET HEAD SCREW

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Datasheet

43In Stock

$4.35

$3.37

$3.26

$3.10

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Min.: 1
Mult.: 1

Screws & Fasteners SOCKET HEAD SCREW

21412
Keystone Electronics
1: $4.79
55In Stock

Mfr. Part No.
21412

Mouser Part No
534-21412

Keystone Electronics

Screws & Fasteners SOCKET HEAD SCREW

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Datasheet

55In Stock

$4.79

$3.81

$3.67

$3.41

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Min.: 1
Mult.: 1

Standoffs & Spacers HEX .250X.500 ALUM

2203
Keystone Electronics
1: $0.503
19,048In Stock
28,300On Order

Mfr. Part No.
2203

Mouser Part No
534-2203

Keystone Electronics

Standoffs & Spacers HEX .250X.500 ALUM

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Datasheet

19,048In Stock

28,300On Order

$0.503

$0.432

$0.386

$0.359

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Min.: 1
Mult.: 1

Standoffs & Spacers HEX .250X1.00 ALUM

2205
Keystone Electronics
1: $1.02
1,001In Stock
10,000Expected 24/8/2026

Mfr. Part No.
2205

Mouser Part No
534-2205

Keystone Electronics

Standoffs & Spacers HEX .250X1.00 ALUM

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Datasheet

1,001In Stock

10,000Expected 24/8/2026

$1.02

$0.857

$0.813

$0.728

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Min.: 1
Mult.: 1

Screws & Fasteners THUMB SCREW 6-32 .5"

2407
Keystone Electronics
1: $3.03
438In Stock

Mfr. Part No.
2407

Mouser Part No
534-2407

Keystone Electronics

Screws & Fasteners THUMB SCREW 6-32 .5"

Datasheet

438In Stock

$3.03

$2.43

$2.38

$2.33

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Min.: 1
Mult.: 1

Screws & Fasteners CAPTIVE SCREW

2414
Keystone Electronics
1: $5.30
22In Stock

Mfr. Part No.
2414

Mouser Part No
534-2414

Keystone Electronics

Screws & Fasteners CAPTIVE SCREW

Datasheet

22In Stock

$5.30

$4.03

$3.69

$3.16

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Min.: 1
Mult.: 1

Screws & Fasteners 4-40 .125 SHLDR SCW

2421
Keystone Electronics
1: $2.41
458In Stock

Mfr. Part No.
2421

Mouser Part No
534-2421

Keystone Electronics

Screws & Fasteners 4-40 .125 SHLDR SCW

Datasheet

458In Stock

$2.41

$1.93

$1.88

$1.84

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Min.: 1
Mult.: 1

Screws & Fasteners 4-40 .250 SHLDR SCW

2422
Keystone Electronics
1: $1.47
499In Stock

Mfr. Part No.
2422

Mouser Part No
534-2422

Keystone Electronics

Screws & Fasteners 4-40 .250 SHLDR SCW

Datasheet

499In Stock

$1.47

$1.16

$1.10

$0.987

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Min.: 1
Mult.: 1

Screws & Fasteners 4-40 .125 SHLDR SOCK

2441
Keystone Electronics
1: $2.38
221In Stock

Mfr. Part No.
2441

Mouser Part No
534-2441

Keystone Electronics

Screws & Fasteners 4-40 .125 SHLDR SOCK

Datasheet

221In Stock

$2.38

$1.81

$1.62

$1.44

$1.07

Min.: 1
Mult.: 1

Screws & Fasteners NYLON KNURL HEAD THUMB SCREW

2500
Keystone Electronics
1: $0.558
726In Stock

Mfr. Part No.
2500

Mouser Part No
534-2500

Keystone Electronics

Screws & Fasteners NYLON KNURL HEAD THUMB SCREW

Datasheet

726In Stock

$0.558

$0.418

$0.373

$0.316

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Min.: 1
Mult.: 1

Standoffs & Spacers RND .250X.250 ALUM

3478
Keystone Electronics
1: $0.612
2,211In Stock

Mfr. Part No.
3478

Mouser Part No
534-3478

Keystone Electronics

Standoffs & Spacers RND .250X.250 ALUM

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Datasheet

2,211In Stock

$0.612

$0.464

$0.413

$0.351

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Min.: 1
Mult.: 1

Standoffs & Spacers RND .250X1.50 ALUM

3483
Keystone Electronics
1: $2.04
778In Stock

Mfr. Part No.
3483

Mouser Part No
534-3483

Keystone Electronics

Standoffs & Spacers RND .250X1.50 ALUM

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Datasheet

778In Stock

$2.04

$1.66

$0.934

$0.847

$0.789

Min.: 1
Mult.: 1

Standoffs & Spacers 4/40 STANDOFF

352
Keystone Electronics
1: $3.60
151In Stock

Mfr. Part No.
352

Mouser Part No
534-352

Keystone Electronics

Standoffs & Spacers 4/40 STANDOFF

Datasheet

151In Stock

$3.60

$2.96

$2.87

$2.39

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Min.: 1
Mult.: 1

Screws & Fasteners 4-40 NUT

4694
Keystone Electronics
1: $0.136
13,067In Stock

Mfr. Part No.
4694

Mouser Part No
534-4694

Keystone Electronics

Screws & Fasteners 4-40 NUT

Datasheet

13,067In Stock

$0.136

$0.094

$0.084

$0.071

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Min.: 1
Mult.: 1

Standoffs & Spacers M-F NYLN HEX 6X.50"

4799
Keystone Electronics
1: $0.952
395In Stock

Mfr. Part No.
4799

Mouser Part No
534-4799

Keystone Electronics

Standoffs & Spacers M-F NYLN HEX 6X.50"

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Datasheet

395In Stock

$0.952

$0.721

$0.656

$0.556

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Min.: 1
Mult.: 1

Standoffs & Spacers PC 104 MOUNTING KIT - NYLON

4799-4
Keystone Electronics
1: $7.19
192In Stock

Mfr. Part No.
4799-4

Mouser Part No
534-4799-4

Keystone Electronics

Standoffs & Spacers PC 104 MOUNTING KIT - NYLON

Datasheet

192In Stock

$7.19

$5.63

$5.07

$4.72

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Min.: 1
Mult.: 1

Standoffs & Spacers .625l 4-40 x .250

4803
Keystone Electronics
1: $0.884
2,629In Stock

Mfr. Part No.
4803

Mouser Part No
534-4803

Keystone Electronics

Standoffs & Spacers .625l 4-40 x .250

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Datasheet

2,629In Stock

$0.884

$0.698

$0.624

$0.529

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Min.: 1
Mult.: 1

Standoffs & Spacers .250 HEX 3/4L 4-40

4804
Keystone Electronics
1: $0.775
5,362In Stock

Mfr. Part No.
4804

Mouser Part No
534-4804

Keystone Electronics

Standoffs & Spacers .250 HEX 3/4L 4-40

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Datasheet

5,362In Stock

$0.775

$0.588

$0.525

$0.446

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Min.: 1
Mult.: 1

Standoffs & Spacers 1.25 NYL stdoff 4-40 Thread

4808
Keystone Electronics
1: $1.05
881In Stock

Mfr. Part No.
4808

Mouser Part No
534-4808

Keystone Electronics

Standoffs & Spacers 1.25 NYL stdoff 4-40 Thread

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Datasheet

881In Stock

$1.05

$0.798

$0.715

$0.607

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Min.: 1
Mult.: 1

Standoffs & Spacers M/F HEX STDOFF 1.50"L 4-40 NYLON

4810
Keystone Electronics
1: $1.09
1,383In Stock

Mfr. Part No.
4810

Mouser Part No
534-4810

Keystone Electronics

Standoffs & Spacers M/F HEX STDOFF 1.50"L 4-40 NYLON

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Datasheet

1,383In Stock

$1.09

$0.824

$0.737

$0.626

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Min.: 1
Mult.: 1

Standoffs & Spacers 1.75 NYL stdoff 4-40 Thread

4812
Keystone Electronics
1: $1.13
2,050In Stock

Mfr. Part No.
4812

Mouser Part No
534-4812

Keystone Electronics

Standoffs & Spacers 1.75 NYL stdoff 4-40 Thread

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Datasheet

2,050In Stock

$1.13

$0.85

$0.76

$0.646

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Min.: 1
Mult.: 1

Standoffs & Spacers F/F NYLON STANDOFF 4-40 .750 L

4846
Keystone Electronics
1: $1.85
499In Stock

Mfr. Part No.
4846

Mouser Part No
534-4846

Keystone Electronics

Standoffs & Spacers F/F NYLON STANDOFF 4-40 .750 L

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499In Stock

$1.85

$1.44

$1.36

$1.30

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Min.: 1
Mult.: 1

Standoffs & Spacers RND SS 4-40 X .065

4861
Keystone Electronics
1: $1.47
336In Stock

Mfr. Part No.
4861

Mouser Part No
534-4861

Keystone Electronics

Standoffs & Spacers RND SS 4-40 X .065

Datasheet

336In Stock

$1.47

$1.14

$1.11

$1.05

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Min.: 1
Mult.: 1

Standoffs & Spacers FORCEFIT STDOFF .125

4862
Keystone Electronics
1: $1.69
882In Stock
4,700On Order

Mfr. Part No.
4862

Mouser Part No
534-4862

Keystone Electronics

Standoffs & Spacers FORCEFIT STDOFF .125

Datasheet

882In Stock

4,700On Order

$1.69

$1.33

$1.27

$1.26

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Min.: 1
Mult.: 1

Standoffs & Spacers Steel Thread Stdoff .375" 4-40 .166/.244

4884
Keystone Electronics
1: $1.18
2,374In Stock
4,200Expected 12/10/2026

Mfr. Part No.
4884

Mouser Part No
534-4884

Keystone Electronics

Standoffs & Spacers Steel Thread Stdoff .375" 4-40 .166/.244

Learn More

Datasheet

2,374In Stock

4,200Expected 12/10/2026

Cut Tape

$1.18

$0.888

$0.797

$0.676

Reel

$0.596

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Min.: 1
Mult.: 1

: 300

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