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M4 Washers

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Thread Size = M4

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Part #

Washers RETAINING WASHER: NYLON 6

RWM200A
Essentra
1: £0.292
915In Stock

Mfr. Part No.
RWM200A

Mouser Part No
144-RWM200A

Essentra

Washers RETAINING WASHER: NYLON 6

915In Stock

£0.292

£0.263

£0.184

£0.163

View

Min.: 1
Mult.: 1

Retaining Washer

Nylon

4.3 mm

7 mm

2.3 mm

Natural

RWM

Washers Self Sealing Washer OD 14.0mm, Thread M4

75041
APM HEXSEAL
1: £2.16
868In Stock
1,125Expected 12/08/2026

Mfr. Part No.
75041

Mouser Part No
608-75041

APM HEXSEAL

Washers Self Sealing Washer OD 14.0mm, Thread M4

Datasheet

868In Stock

1,125Expected 12/08/2026

£2.16

£2.01

£1.90

£1.82

View

Min.: 1
Mult.: 1

Self Sealing Washer

Stainless Steel

14 mm

Red

SEELOC

Bulk

Washers Shoulder Washer, .173 ID, .344 OD, N8 Screw

10SC008012
Essentra
1: £0.098
2,303In Stock

Mfr. Part No.
10SC008012

Mouser Part No
144-10SC008012

Essentra

Washers Shoulder Washer, .173 ID, .344 OD, N8 Screw

2,303In Stock

£0.098

£0.072

£0.061

£0.057

View

Min.: 1
Mult.: 1

Standard Washer

Nylon

4.4 mm

5.2 mm

1.6 mm

3.2 mm

Natural

Washers Shoulder Washer, .173 ID, .344 OD, #8 Screw

10SC008014
Essentra
1: £0.098
4,870In Stock

Mfr. Part No.
10SC008014

Mouser Part No
144-10SC008014

Essentra

Washers Shoulder Washer, .173 ID, .344 OD, #8 Screw

4,870In Stock

£0.098

£0.072

£0.061

£0.057

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

4.3 mm

5.2 mm

3.6 mm

1.5 mm

3.5 mm

Natural

Washers Shoulder Washer, .173 ID, .344 OD, #8 Screw

10SC008037
Essentra
1: £0.09
3,054In Stock

Mfr. Part No.
10SC008037

Mouser Part No
144-10SC008037

Essentra

Washers Shoulder Washer, .173 ID, .344 OD, #8 Screw

3,054In Stock

£0.09

£0.068

£0.058

£0.055

View

Min.: 1
Mult.: 1

Standard Washer

Nylon

4.4 mm

5.2 mm

1.6 mm

9.5 mm

Natural

Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw

10SCM004003
Essentra
1: £0.083
5,283In Stock

Mfr. Part No.
10SCM004003

Mouser Part No
144-10SCM004003

Essentra

Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw

5,283In Stock

£0.083

£0.061

£0.052

£0.048

View

Min.: 1
Mult.: 1

Bushing Washer

Polyamide (PA)

0.161 in

0.236 in

0.118 in

0.059 in

0.118 in

Natural

Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw

10SCM004004
Essentra
1: £0.083
729In Stock

Mfr. Part No.
10SCM004004

Mouser Part No
144-10SCM004004

Essentra

Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw

729In Stock

£0.083

£0.062

£0.052

£0.049

View

Min.: 1
Mult.: 1

Shoulder Washer

Polyamide (PA)

4.1 mm

6.0 mm

4 mm

1.5 mm

4 mm

Natural

Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw

10SCM004004B
Essentra
1: £0.105
1,000In Stock
New Product

Mfr. Part No.
10SCM004004B

Mouser Part No
144-10SCM004004B

New Product

Essentra

Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw

Datasheet

1,000In Stock

£0.105

£0.08

£0.06

£0.053

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

8.4 mm

Black

Washers Shoulder Washer, .171 ID, .375 OD, .195 Shank OD

12SWS0802
Essentra
1: £0.098
1,890In Stock

Mfr. Part No.
12SWS0802

Mouser Part No
144-12SWS0802

Essentra

Washers Shoulder Washer, .171 ID, .375 OD, .195 Shank OD

1,890In Stock

£0.098

£0.072

£0.065

£0.062

View

Min.: 1
Mult.: 1

Shoulder Washer

Polyamide (PA)

4.3 mm

4.9 mm

1.6 mm

Natural

Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD

12SWS0810B
Essentra
1: £0.135
1,000In Stock
New Product

Mfr. Part No.
12SWS0810B

Mouser Part No
144-12SWS0810B

New Product

Essentra

Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD

Datasheet

1,000In Stock

£0.135

£0.104

£0.078

£0.068

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

9.5 mm

Black

Washers Shoulder Washer, .192 ID, .375 OD, .245 Shank OD

12SWS0811
Essentra
1: £0.098
553In Stock

Mfr. Part No.
12SWS0811

Mouser Part No
144-12SWS0811

Essentra

Washers Shoulder Washer, .192 ID, .375 OD, .245 Shank OD

Datasheet

553In Stock

£0.098

£0.073

£0.065

£0.062

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

0.375 in

Natural

Washers Shoulder Washer, .192 ID, .375 OD, .245 Shank OD

12SWS0811B
Essentra
1: £0.135
1,000In Stock
New Product

Mfr. Part No.
12SWS0811B

Mouser Part No
144-12SWS0811B

New Product

Essentra

Washers Shoulder Washer, .192 ID, .375 OD, .245 Shank OD

Datasheet

1,000In Stock

£0.135

£0.104

£0.078

£0.068

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

9.5 mm

Black

Washers Shoulder Washer, .188 ID, .437 OD, .313 Shank OD

12SWS0819B
Essentra
1: £0.113
900In Stock
New Product

Mfr. Part No.
12SWS0819B

Mouser Part No
144-12SWS0819B

New Product

Essentra

Washers Shoulder Washer, .188 ID, .437 OD, .313 Shank OD

Datasheet

900In Stock

£0.113

£0.084

£0.072

£0.068

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

11.1 mm

Black

Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD

12SWS0827
Essentra
1: £0.09
4,002In Stock

Mfr. Part No.
12SWS0827

Mouser Part No
144-12SWS0827

Essentra

Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD

Datasheet

4,002In Stock

£0.09

£0.07

£0.06

£0.057

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

0.375 in

Natural

Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD

12SWS0827B
Essentra
1: £0.127
1,000In Stock
New Product

Mfr. Part No.
12SWS0827B

Mouser Part No
144-12SWS0827B

New Product

Essentra

Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD

Datasheet

1,000In Stock

£0.127

£0.098

£0.072

£0.065

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

9.5 mm

Black

Washers Shoulder Washer, .198 ID, .375 OD, .250 Shank OD

12SWS0847
Essentra
1: £0.165
801In Stock

Mfr. Part No.
12SWS0847

Mouser Part No
144-12SWS0847

Essentra

Washers Shoulder Washer, .198 ID, .375 OD, .250 Shank OD

801In Stock

£0.165

£0.13

£0.109

£0.097

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

0.375 in

Natural

Washers Shoulder Washer, .198 ID, .375 OD, .250 Shank OD

12SWS0847B
Essentra
1: £0.18
1,000In Stock
New Product

Mfr. Part No.
12SWS0847B

Mouser Part No
144-12SWS0847B

New Product

Essentra

Washers Shoulder Washer, .198 ID, .375 OD, .250 Shank OD

Datasheet

1,000In Stock

£0.18

£0.167

£0.116

£0.103

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

9.5 mm

Black

Washers Shoulder Washer, .190 ID, .490 OD, .250 Shank OD

12SWS1050
Essentra
1: £0.105
810In Stock

Mfr. Part No.
12SWS1050

Mouser Part No
144-12SWS1050

Essentra

Washers Shoulder Washer, .190 ID, .490 OD, .250 Shank OD

Datasheet

810In Stock

£0.105

£0.079

£0.067

£0.063

View

Min.: 1
Mult.: 1

Shoulder Washer

Nylon

0.49 in

Natural

Washers Flat Washer, 4.30mm ID, M4 / #8 Screw

16M04080200
Essentra
1: £0.075
1,929In Stock

Mfr. Part No.
16M04080200

Mouser Part No
144-16M04080200

Essentra

Washers Flat Washer, 4.30mm ID, M4 / #8 Screw

Learn More

1,929In Stock

£0.075

£0.055

£0.046

£0.043

View

Min.: 1
Mult.: 1

Flat Washer

Nylon

8 mm

Natural

16M

Washers Flat Washer, 4.30mm ID, M4 / #8 Screw

16M04080200B
Essentra
1: £0.09
1,576In Stock

Mfr. Part No.
16M04080200B

Mouser Part No
144-16M04080200B

Essentra

Washers Flat Washer, 4.30mm ID, M4 / #8 Screw

Learn More

1,576In Stock

£0.09

£0.071

£0.052

£0.046

View

Min.: 1
Mult.: 1

Flat Washer

Nylon

4.3 mm

8.0 mm

2 mm

Black

16M

Washers Locking Sealing Washer, 4.15mm ID,M4/#8 Scrw

16MLSW040090125
Essentra
1: £0.075
980In Stock

Mfr. Part No.
16MLSW040090125

Mouser Part No
144-16MLSW040090125

Essentra

Washers Locking Sealing Washer, 4.15mm ID,M4/#8 Scrw

Datasheet

980In Stock

£0.075

£0.053

£0.04

£0.035

View

Min.: 1
Mult.: 1

Sealing Washer

Nylon

0.354 in

Natural

Washers WASHER M4

173000400022
Essentra
1: £0.158
316In Stock

Mfr. Part No.
173000400022

Mouser Part No
144-173000400022

Essentra

Washers WASHER M4

316In Stock

£0.158

£0.122

£0.107

£0.10

View

Min.: 1
Mult.: 1

Flat Washer

Polycarbonate (PC)

10 mm

Clear

Washers LOCK WASHER

1477
Keystone Electronics
1: £0.205
2,723In Stock

Mfr. Part No.
1477

Mouser Part No
534-1477

Keystone Electronics

Washers LOCK WASHER

Datasheet

2,723In Stock

£0.205

£0.152

£0.136

£0.114

View

Min.: 1
Mult.: 1

Lock Washer

Steel

5 mm

8.1 mm

1.2 mm

Zinc

Bulk

Washers #8 RETAINING WASHER

2248
Keystone Electronics
1: £0.128
1,760In Stock
5,000Expected 29/06/2026

Mfr. Part No.
2248

Mouser Part No
534-2248

Keystone Electronics

Washers #8 RETAINING WASHER

Datasheet

1,760In Stock

5,000Expected 29/06/2026

£0.128

£0.112

£0.096

£0.079

View

Min.: 1
Mult.: 1

Retaining Washer

Nylon

3.4 mm

9.91 mm

0.81 mm

2248

Bulk

Washers WASHER 4.3X12X1.5

032040011407
Essentra
1: £0.09
1,032In Stock

Mfr. Part No.
032040011407

Mouser Part No
144-032040011407

Essentra

Washers WASHER 4.3X12X1.5

1,032In Stock

£0.09

£0.067

£0.06

£0.057

View

Min.: 1
Mult.: 1

Flat Washer

Polyvinyl Chloride (PVC)

4.3 mm

12 mm

1.4 mm

Black

M4 Washers

Customer Service Office

Company

Resources

Support

0.437 mm
4.9 mm
5.2 mm
5.3 mm
0.236 in
6.0 mm
7 mm
0.29 in
7.4 mm
0.312 in
7.9 mm
8 mm
8.0 mm
8.1 mm
8.4 mm
0.344 in
8.7 mm
8.8 mm
0.354 in
9 mm