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4-40 Hardware

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Part #

Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS

STKB-440-4
SI
1: $0.639
580In Stock

Mfr. Part No.
STKB-440-4

Mouser Part No
153-STKB-440-4

Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS

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Datasheet

580In Stock

$0.639

$0.461

$0.369

$0.332

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Min.: 1
Mult.: 1

Mounting Fixings SPACER, KNURLED, STAINLESS

STKC-440-8
SI
1: $1.20
960In Stock

Mfr. Part No.
STKC-440-8

Mouser Part No
153-STKC-440-8

Mounting Fixings SPACER, KNURLED, STAINLESS

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Datasheet

960In Stock

$1.20

$0.855

$0.684

$0.616

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Min.: 1
Mult.: 1

Screws & Fasteners STUD, THIN HEAD, STEEL

TFH-440-4ZI
PEM
1: $0.258
10,000In Stock

Mfr. Part No.
TFH-440-4ZI

Mouser Part No
153-TFH-440-4ZI

PEM

Screws & Fasteners STUD, THIN HEAD, STEEL

Datasheet

10,000In Stock

$0.258

$0.201

$0.181

$0.156

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Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, THIN HEAD, STEEL

TSO-440-312ZI
PEM
1: $0.721
186In Stock

Mfr. Part No.
TSO-440-312ZI

Mouser Part No
153-TSO-440-312ZI

PEM

Standoffs & Spacers STANDOFF, THIN HEAD, STEEL

Datasheet

186In Stock

$0.721

$0.513

$0.409

$0.369

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Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, THIN HEAD, STEEL

TSO-440-375ZI
PEM
1: $0.802
500In Stock

Mfr. Part No.
TSO-440-375ZI

Mouser Part No
153-TSO-440-375ZI

PEM

Standoffs & Spacers STANDOFF, THIN HEAD, STEEL

Datasheet

500In Stock

$0.802

$0.578

$0.462

$0.416

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Min.: 1
Mult.: 1

Standoffs & Spacers THIN HEAD STANDOFF, 400 SS

TSO4-440-090
PEM
1: $1.09
890In Stock

Mfr. Part No.
TSO4-440-090

Mouser Part No
153-TSO4-440-090

PEM

Standoffs & Spacers THIN HEAD STANDOFF, 400 SS

Datasheet

890In Stock

$1.09

$0.817

$0.636

$0.60

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Min.: 1
Mult.: 1

Standoffs & Spacers THIN HEAD STANDOFF, 400 SS

TSO4-440-187
PEM
1: $1.10
720In Stock

Mfr. Part No.
TSO4-440-187

Mouser Part No
153-TSO4-440-187

PEM

Standoffs & Spacers THIN HEAD STANDOFF, 400 SS

Datasheet

720In Stock

$1.10

$0.823

$0.641

$0.604

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, SS METHOD

TSOS-440-187
PEM
1: $1.18
424In Stock

Mfr. Part No.
TSOS-440-187

Mouser Part No
153-TSOS-440-187

PEM

Standoffs & Spacers STANDOFF, SS METHOD

Datasheet

424In Stock

$1.18

$0.842

$0.675

$0.607

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Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, SS METHOD

TSOS-440-375
PEM
1: $1.10
883In Stock

Mfr. Part No.
TSOS-440-375

Mouser Part No
153-TSOS-440-375

PEM

Standoffs & Spacers STANDOFF, SS METHOD

Datasheet

883In Stock

$1.10

$0.828

$0.645

$0.608

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Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, SS METHOD

TSOS-6440-187
PEM
1: $1.25
997In Stock

Mfr. Part No.
TSOS-6440-187

Mouser Part No
153-TSOS-6440-187

PEM

Standoffs & Spacers STANDOFF, SS METHOD

Datasheet

997In Stock

$1.25

$0.941

$0.733

$0.691

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, SS METHOD

TSOS-6440-375
PEM
1: $1.56
147In Stock

Mfr. Part No.
TSOS-6440-375

Mouser Part No
153-TSOS-6440-375

PEM

Standoffs & Spacers STANDOFF, SS METHOD

Datasheet

147In Stock

$1.56

$1.17

$0.911

$0.86

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Min.: 1
Mult.: 1

Mounting Fixings VM30B-440-1ZI

VM30B-440-1ZI
PEM
1: $3.58
120In Stock

Mfr. Part No.
VM30B-440-1ZI

Mouser Part No
153-VM30B-440-1ZI

PEM

Mounting Fixings VM30B-440-1ZI

Datasheet

120In Stock

$3.58

$2.67

$2.07

$1.96

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Min.: 1
Mult.: 1

Standoffs & Spacers .250 X .375 4-40 THREADED HEX STANDOFF BRASS

1450B
Keystone Electronics
1: $1.12
12,346In Stock
16,400On Order

Mfr. Part No.
1450B

Mouser Part No
534-1450B

Keystone Electronics

Standoffs & Spacers .250 X .375 4-40 THREADED HEX STANDOFF BRASS

Datasheet

12,346In Stock

16,400On Order

$1.12

$0.846

$0.758

$0.721

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Min.: 1
Mult.: 1

Standoffs & Spacers .250 X .500 4-40 THREADED HEX STANDOFF BRASS

1450C
Keystone Electronics
1: $1.12
15,051In Stock
10,150Expected 7/12/2026

Mfr. Part No.
1450C

Mouser Part No
534-1450C

Keystone Electronics

Standoffs & Spacers .250 X .500 4-40 THREADED HEX STANDOFF BRASS

Datasheet

15,051In Stock

10,150Expected 7/12/2026

$1.12

$0.857

$0.855

$0.783

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Min.: 1
Mult.: 1

Standoffs & Spacers HEX .187X.375 ZBRASS

1803
Keystone Electronics
1: $0.993
10,163In Stock
3,020Expected 19/10/2026

Mfr. Part No.
1803

Mouser Part No
534-1803

Keystone Electronics

Standoffs & Spacers HEX .187X.375 ZBRASS

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Datasheet

10,163In Stock

3,020Expected 19/10/2026

$0.993

$0.759

$0.743

$0.45

Min.: 1
Mult.: 1

Standoffs & Spacers HEX .187X.875 ALUM

1896
Keystone Electronics
1: $1.06
6,907In Stock

Mfr. Part No.
1896

Mouser Part No
534-1896

Keystone Electronics

Standoffs & Spacers HEX .187X.875 ALUM

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Datasheet

6,907In Stock

$1.06

$0.827

$0.763

$0.662

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Min.: 1
Mult.: 1

Standoffs & Spacers HEX 4-40X.375 NYLON

1902B
Keystone Electronics
1: $0.884
7,034In Stock

Mfr. Part No.
1902B

Mouser Part No
534-1902B

Keystone Electronics

Standoffs & Spacers HEX 4-40X.375 NYLON

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Datasheet

7,034In Stock

$0.884

$0.843

$0.836

$0.558

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Min.: 1
Mult.: 1

Standoffs & Spacers 4/40 3/4 HEX STDOFF

1902D
Keystone Electronics
1: $0.979
17,019In Stock
7,700Expected 31/8/2026

Mfr. Part No.
1902D

Mouser Part No
534-1902D

Keystone Electronics

Standoffs & Spacers 4/40 3/4 HEX STDOFF

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Datasheet

17,019In Stock

7,700Expected 31/8/2026

$0.979

$0.768

$0.729

$0.653

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Min.: 1
Mult.: 1

Standoffs & Spacers NYLON 1"X.25" 4-40

1902E
Keystone Electronics
1: $0.993
6,003In Stock

Mfr. Part No.
1902E

Mouser Part No
534-1902E

Keystone Electronics

Standoffs & Spacers NYLON 1"X.25" 4-40

Learn More

Datasheet

6,003In Stock

$0.993

$0.762

$0.722

$0.646

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Min.: 1
Mult.: 1

Standoffs & Spacers M-F BRS HEX 4 X.625"

1945
Keystone Electronics
1: $1.26
11,245In Stock
4,000Expected 20/11/2026

Mfr. Part No.
1945

Mouser Part No
534-1945

Keystone Electronics

Standoffs & Spacers M-F BRS HEX 4 X.625"

Learn More

Datasheet

11,245In Stock

4,000Expected 20/11/2026

$1.26

$1.12

$1.08

$0.917

View

Min.: 1
Mult.: 1

Standoffs & Spacers NYLON SPCR HEX 1/4"

4800
Keystone Electronics
1: $0.762
11,680In Stock

Mfr. Part No.
4800

Mouser Part No
534-4800

Keystone Electronics

Standoffs & Spacers NYLON SPCR HEX 1/4"

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Datasheet

11,680In Stock

$0.762

$0.568

$0.509

$0.431

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Min.: 1
Mult.: 1

Standoffs & Spacers Steel Thread Stdoff .250" 4-40 .166/.244

4883
Keystone Electronics
1: $0.816
33,380In Stock

Mfr. Part No.
4883

Mouser Part No
534-4883

Keystone Electronics

Standoffs & Spacers Steel Thread Stdoff .250" 4-40 .166/.244

Learn More

Datasheet

33,380In Stock

Cut Tape

$0.816

$0.612

$0.548

$0.465

Reel

$0.394

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MouseReel Available

Min.: 1
Mult.: 1

: 650

Mounting Fixings THRD BRKT STL Z PL

621
Keystone Electronics
1: $0.571
76,835In Stock
95,500Expected 16/11/2026

Mfr. Part No.
621

Mouser Part No
534-621

Keystone Electronics

Mounting Fixings THRD BRKT STL Z PL

Datasheet

76,835In Stock

95,500Expected 16/11/2026

$0.571

$0.437

$0.39

$0.33

View

Min.: 1
Mult.: 1

Standoffs & Spacers AL .375 M/F THRD

8400
Keystone Electronics
1: $0.87
31,830In Stock
25,000Expected 23/11/2026

Mfr. Part No.
8400

Mouser Part No
534-8400

Keystone Electronics

Standoffs & Spacers AL .375 M/F THRD

Learn More

Datasheet

31,830In Stock

25,000Expected 23/11/2026

$0.87

$0.694

$0.68

$0.573

View

Min.: 1
Mult.: 1

Standoffs & Spacers AL .500 M/F THRD

8401
Keystone Electronics
1: $0.925
18,095In Stock
25,000Expected 16/11/2026

Mfr. Part No.
8401

Mouser Part No
534-8401

Keystone Electronics

Standoffs & Spacers AL .500 M/F THRD

Learn More

Datasheet

18,095In Stock

25,000Expected 16/11/2026

$0.925

$0.747

$0.709

$0.634

View

Min.: 1
Mult.: 1

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