Screws & Fasteners – Mouser Singapore

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.187 Jack Screws

Keystone Electronics .187 Jack Screws are 4.8mm diameter (.187") screws designed for D-subminiature connectors used in computer cables and other electronic equipment. The product portfolio includes standard jack screws, a sems version with a captivated helical spring-lock washer that simplifies use, a slotted option for installation with a screwdriver, and a screw with a nylon patch that firmly holds the jack in vibration applications. Keystone Electronics .187 Jack Screws feature a 3/16 hex head and 4-40 thread and are offered in stainless steel or with zinc chromate plating in yellow or clear.

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Part #

Screws & Fasteners JACK SCREW

7241-5
Keystone Electronics
1: $0.737
2,670In Stock

Mfr. Part No.
7241-5

Mouser Part No
534-7241-5

Keystone Electronics

Screws & Fasteners JACK SCREW

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Datasheet

2,670In Stock

$0.737

$0.556

$0.498

$0.421

View

Min.: 1
Mult.: 1

Screws

Jackscrew

4-40

4.75 mm

Steel

Zinc

Hex

Screws & Fasteners JACK SCREW KIT

7242
Keystone Electronics
1: $0.848
503In Stock

Mfr. Part No.
7242

Mouser Part No
534-7242

Keystone Electronics

Screws & Fasteners JACK SCREW KIT

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Datasheet

503In Stock

$0.848

$0.667

$0.663

$0.391

$0.348

Min.: 1
Mult.: 1

Kits

Jackscrew

Screws & Fasteners JACK SCREW KIT

7242-5
Keystone Electronics
1: $0.931
801In Stock

Mfr. Part No.
7242-5

Mouser Part No
534-7242-5

Keystone Electronics

Screws & Fasteners JACK SCREW KIT

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Datasheet

801In Stock

$0.931

$0.783

$0.742

$0.663

View

Min.: 1
Mult.: 1

Kits

Jackscrew

Screws & Fasteners JACK SCREW

7243
Keystone Electronics
1: $0.667
356In Stock

Mfr. Part No.
7243

Mouser Part No
534-7243

Keystone Electronics

Screws & Fasteners JACK SCREW

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Datasheet

356In Stock

$0.667

$0.639

$0.378

$0.334

Min.: 1
Mult.: 1

Screws

Hex Jackscrew

4-40

4.75 mm

Steel

Zinc

Hex

Screws & Fasteners JACK SCREW

7243-5
Keystone Electronics
1: $0.82
1,038In Stock

Mfr. Part No.
7243-5

Mouser Part No
534-7243-5

Keystone Electronics

Screws & Fasteners JACK SCREW

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Datasheet

1,038In Stock

$0.82

$0.624

$0.557

$0.473

View

Min.: 1
Mult.: 1

Screws

Hex Jackscrew

Screws & Fasteners JACK SCREW KIT

7244
Keystone Electronics
1: $0.917
2,498In Stock

Mfr. Part No.
7244

Mouser Part No
534-7244

Keystone Electronics

Screws & Fasteners JACK SCREW KIT

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Datasheet

2,498In Stock

$0.917

$0.783

$0.464

$0.40

$0.361

Min.: 1
Mult.: 1

Kits

Jackscrew

Screws & Fasteners JACK SCREW KIT STAINLESS

7249
Keystone Electronics
1: $1.92
642In Stock

Mfr. Part No.
7249

Mouser Part No
534-7249

Keystone Electronics

Screws & Fasteners JACK SCREW KIT STAINLESS

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Datasheet

642In Stock

$1.92

$1.47

$1.32

$1.18

View

Min.: 1
Mult.: 1

Kits

Jackscrew

Steel

Screws & Fasteners JACK SCREW S/S 4-40 THREAD

7252
Keystone Electronics
1: $2.18
417In Stock

Mfr. Part No.
7252

Mouser Part No
534-7252

Keystone Electronics

Screws & Fasteners JACK SCREW S/S 4-40 THREAD

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Datasheet

417In Stock

$2.18

$1.70

$1.52

$1.38

View

Min.: 1
Mult.: 1

Screws

Hex Jackscrew

4-40

4.75 mm

Stainless Steel

Hex

Screws & Fasteners JACK SCREW KIT STAINLESS

7253
Keystone Electronics
1: $2.53
1,110In Stock

Mfr. Part No.
7253

Mouser Part No
534-7253

Keystone Electronics

Screws & Fasteners JACK SCREW KIT STAINLESS

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Datasheet

1,110In Stock

$2.53

$1.95

$1.74

$1.61

View

Min.: 1
Mult.: 1

Kits

Jackscrew

Steel

Screws & Fasteners JCK SCRW 12.7MM/.5IN THREADED FEMALE HEX

7254
Keystone Electronics
1: $2.54
400In Stock

Mfr. Part No.
7254

Mouser Part No
534-7254

Keystone Electronics

Screws & Fasteners JCK SCRW 12.7MM/.5IN THREADED FEMALE HEX

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Datasheet

400In Stock

$2.54

$1.95

$1.74

$1.61

View

Min.: 1
Mult.: 1

Screws

Hex Jackscrew

4-40

4.75 mm

Stainless Steel

Hex

Screws & Fasteners JACK SCREW KIT STAINLESS

7257
Keystone Electronics
1: $3.73
952In Stock

Mfr. Part No.
7257

Mouser Part No
534-7257

Keystone Electronics

Screws & Fasteners JACK SCREW KIT STAINLESS

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Datasheet

952In Stock

$3.73

$2.81

$2.52

$2.14

View

Min.: 1
Mult.: 1

Kits

Jackscrew

4-40

15.8 mm

Stainless Steel

Hex

Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS

7260
Keystone Electronics
1: $0.626
399In Stock

Mfr. Part No.
7260

Mouser Part No
534-7260

Keystone Electronics

Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS

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Datasheet

399In Stock

$0.626

$0.468

$0.418

$0.354

View

Min.: 1
Mult.: 1

Screws

Hex Jackscrew

Nylon, Steel

Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS

7265
Keystone Electronics
1: $2.31
221In Stock

Mfr. Part No.
7265

Mouser Part No
534-7265

Keystone Electronics

Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS

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Datasheet

221In Stock

$2.31

$1.74

$1.56

$1.33

View

Min.: 1
Mult.: 1

Screws

Hex Jackscrew

4-40

4.75 mm

Stainless Steel

Hex

Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS

7268
Keystone Electronics
1: $3.11
438In Stock

Mfr. Part No.
7268

Mouser Part No
534-7268

Keystone Electronics

Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS

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Datasheet

438In Stock

$3.11

$2.53

$2.34

$2.15

View

Min.: 1
Mult.: 1

Screws

Hex Jackscrew

4-40

9.5 mm

Nylon

Screws & Fasteners JACK SCREW (SLOTTED)

7270
Keystone Electronics
1: $3.14
400In Stock

Mfr. Part No.
7270

Mouser Part No
534-7270

Keystone Electronics

Screws & Fasteners JACK SCREW (SLOTTED)

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Datasheet

400In Stock

$3.14

$2.54

$2.35

$2.20

View

Min.: 1
Mult.: 1

Screws

Slotted Jackscrew

Slotted

Screws & Fasteners JACK SCREW (SLOTTED)

7275
Keystone Electronics
1: $2.68
455In Stock

Mfr. Part No.
7275

Mouser Part No
534-7275

Keystone Electronics

Screws & Fasteners JACK SCREW (SLOTTED)

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Datasheet

455In Stock

$2.68

$2.38

$2.32

$2.29

View

Min.: 1
Mult.: 1

Screws

Slotted Jackscrew

4-40

6.3 mm

Screws & Fasteners JACK SCREW (SLOTTED)

7276
Keystone Electronics
1: $2.68
366In Stock

Mfr. Part No.
7276

Mouser Part No
534-7276

Keystone Electronics

Screws & Fasteners JACK SCREW (SLOTTED)

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Datasheet

366In Stock

$2.68

$2.38

$2.32

$2.28

View

Min.: 1
Mult.: 1

Screws

Slotted Jackscrew

Slotted

Screws & Fasteners JACK SCREW (SLOTTED)

7277
Keystone Electronics
1: $3.14
480In Stock

Mfr. Part No.
7277

Mouser Part No
534-7277

Keystone Electronics

Screws & Fasteners JACK SCREW (SLOTTED)

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Datasheet

480In Stock

$3.14

$2.54

$2.35

$2.17

View

Min.: 1
Mult.: 1

Screws

Slotted Jackscrew

Slotted

Screws & Fasteners JACK SCREW (SLOTTED)

7278
Keystone Electronics
1: $3.31
380In Stock

Mfr. Part No.
7278

Mouser Part No
534-7278

Keystone Electronics

Screws & Fasteners JACK SCREW (SLOTTED)

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Datasheet

380In Stock

$3.31

$2.68

$2.47

$2.29

View

Min.: 1
Mult.: 1

Screws

Slotted Jackscrew

Slotted

Screws & Fasteners JACK SCREW KIT SLOTTED

7296
Keystone Electronics
1: $3.25
295In Stock

Mfr. Part No.
7296

Mouser Part No
534-7296

Keystone Electronics

Screws & Fasteners JACK SCREW KIT SLOTTED

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Datasheet

295In Stock

$3.25

$2.46

$2.21

$2.00

$1.58

Min.: 1
Mult.: 1

Kits

Slotted Jackscrew

Slotted

Screws & Fasteners Jack Screw .187 Clear 4-40

7226-5
Keystone Electronics
1: $0.626
4,422In Stock
1,200Expected 2/3/2026

Mfr. Part No.
7226-5

Mouser Part No
534-7226-5

Keystone Electronics

Screws & Fasteners Jack Screw .187 Clear 4-40

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Datasheet

4,422In Stock

1,200Expected 2/3/2026

$0.626

$0.475

$0.425

$0.36

View

Min.: 1
Mult.: 1

Screws

Jackscrew

4-40

Zinc, Clear Chromate

Hex

Screws & Fasteners Jack Screw .187 w/hdwr Clear 4-40

7227-5
Keystone Electronics
1: $0.917
732In Stock

Mfr. Part No.
7227-5

Mouser Part No
534-7227-5

Keystone Electronics

Screws & Fasteners Jack Screw .187 w/hdwr Clear 4-40

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Datasheet

732In Stock

$0.917

$0.708

$0.632

$0.537

View

Min.: 1
Mult.: 1

Screws

Jackscrew

4-40

Steel

Zinc, Clear Chromate

Hex

Screws & Fasteners JACK SCREW W/HWD.625

7233
Keystone Electronics
1: $1.78
591In Stock

Mfr. Part No.
7233

Mouser Part No
534-7233

Keystone Electronics

Screws & Fasteners JACK SCREW W/HWD.625

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Datasheet

591In Stock

$1.78

$1.61

$1.49

$1.47

View

Min.: 1
Mult.: 1

Kits

Hex Jackscrew

4-40

0.625 in

Steel

Zinc

Hex

Screws & Fasteners JACK SCREW KIT 4-40

7240
Keystone Electronics
1: $1.04
933In Stock

Mfr. Part No.
7240

Mouser Part No
534-7240

Keystone Electronics

Screws & Fasteners JACK SCREW KIT 4-40

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Datasheet

933In Stock

$1.04

$1.03

$0.941

$0.842

View

Min.: 1
Mult.: 1

Kits

Jackscrew

4-40

0.66 in

Steel

Zinc

Hex

Screws & Fasteners JACK SCREW

7241
Keystone Electronics
1: $0.737
1,414In Stock

Mfr. Part No.
7241

Mouser Part No
534-7241

Keystone Electronics

Screws & Fasteners JACK SCREW

Learn More

Datasheet

1,414In Stock

$0.737

$0.556

$0.498

$0.484

View

Min.: 1
Mult.: 1

Screws

Jackscrew

4-40

0.375 in

Steel

Zinc

Hex

.187 Jack Screws

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