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M4 Washers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Material	Inside Diameter	Outside Diameter	Thickness	Thread Size	Color	Plating	Series	Packaging
Washers RETAINING WASHER: NYLON 6 RWM200A Essentra 1: $0.39 945In Stock	Mfr. Part # RWM200A Mouser Part # 144-RWM200A	Essentra	Washers RETAINING WASHER: NYLON 6		945In Stock	$0.39 $0.35 $0.245 $0.22 View $0.186 $0.176 $0.17 $0.165 $0.162	Min.: 1 Mult.: 1	Retaining Washer	Nylon	4.3 mm	7 mm	2.3 mm	M4	Natural		RWM
Washers Shoulder Washer, .173 ID, .344 OD, N8 Screw 10SC008012 Essentra 1: $0.13 223In Stock 2,000Expected 10/5/2026	Mfr. Part # 10SC008012 Mouser Part # 144-10SC008012	Essentra	Washers Shoulder Washer, .173 ID, .344 OD, N8 Screw		223In Stock 2,000Expected 10/5/2026	$0.13 $0.099 $0.085 $0.08 View $0.072 $0.066 $0.062 $0.06 $0.056	Min.: 1 Mult.: 1	Standard Washer	Nylon	4.4 mm	5.2 mm		M4	Natural
Washers Shoulder Washer, .173 ID, .344 OD, #8 Screw 10SC008014 Essentra 1: $0.13 1,550In Stock	Mfr. Part # 10SC008014 Mouser Part # 144-10SC008014	Essentra	Washers Shoulder Washer, .173 ID, .344 OD, #8 Screw		1,550In Stock	$0.13 $0.099 $0.085 $0.08 View $0.072 $0.066 $0.062 $0.06 $0.056	Min.: 1 Mult.: 1	Shoulder Washer	Nylon	4.3 mm	5.2 mm	3.6 mm	M4	Natural
Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw 10SCM004003 Essentra 1: $0.11 3,196In Stock	Mfr. Part # 10SCM004003 Mouser Part # 144-10SCM004003	Essentra	Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw		3,196In Stock	$0.11 $0.081 $0.069 $0.064 View $0.057 $0.052 $0.049 $0.048 $0.045	Min.: 1 Mult.: 1	Bushing Washer	Polyamide (PA)	0.161 in	0.236 in	0.118 in	M4	Natural
Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw 10SCM004003B Essentra 1: $0.12 1,000In Stock New Product	Mfr. Part # 10SCM004003B Mouser Part # 144-10SCM004003B New Product	Essentra	Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw	Datasheet	1,000In Stock	$0.12 $0.088 $0.076 $0.071 View $0.063 $0.058 $0.054	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		8.4 mm		M4	Black
Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw 10SCM004004 Essentra 1: $0.11 669In Stock	Mfr. Part # 10SCM004004 Mouser Part # 144-10SCM004004	Essentra	Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw		669In Stock	$0.11 $0.082 $0.07 $0.065 View $0.058 $0.053 $0.05 $0.048 $0.045	Min.: 1 Mult.: 1	Shoulder Washer	Polyamide (PA)	4.1 mm	6.0 mm	4 mm	M4	Natural
Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw 10SCM004004B Essentra 1: $0.12 900In Stock New Product	Mfr. Part # 10SCM004004B Mouser Part # 144-10SCM004004B New Product	Essentra	Washers Shoulder Washer, 4.1mm ID, 8.4mm OD, M4 Screw	Datasheet	900In Stock	$0.12 $0.089 $0.076 $0.072 View $0.064 $0.058 $0.055	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		8.4 mm		M4	Black
Washers Shoulder Washer, .171 ID, .375 OD, .195 Shank OD 12SWS0802 Essentra 1: $0.14 1,890In Stock	Mfr. Part # 12SWS0802 Mouser Part # 144-12SWS0802	Essentra	Washers Shoulder Washer, .171 ID, .375 OD, .195 Shank OD		1,890In Stock	$0.14 $0.103 $0.088 $0.083 View $0.075 $0.069 $0.065 $0.062 $0.059	Min.: 1 Mult.: 1	Shoulder Washer	Polyamide (PA)	4.3 mm	4.9 mm	1.6 mm	M4	Natural
Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD 12SWS0810B Essentra 1: $0.15 1,000In Stock New Product	Mfr. Part # 12SWS0810B Mouser Part # 144-12SWS0810B New Product	Essentra	Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD	Datasheet	1,000In Stock	$0.15 $0.112 $0.096 $0.091 View $0.083 $0.076 $0.071	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		9.5 mm		M4	Black
Washers Shoulder Washer, .192 ID, .375 OD, .245 Shank OD 12SWS0811B Essentra 1: $0.15 1,000In Stock New Product	Mfr. Part # 12SWS0811B Mouser Part # 144-12SWS0811B New Product	Essentra	Washers Shoulder Washer, .192 ID, .375 OD, .245 Shank OD	Datasheet	1,000In Stock	$0.15 $0.112 $0.096 $0.091 View $0.083 $0.076 $0.071	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		9.5 mm		M4	Black
Washers Shoulder Washer, .188 ID, .437 OD, .313 Shank OD 12SWS0819B Essentra 1: $0.15 900In Stock New Product	Mfr. Part # 12SWS0819B Mouser Part # 144-12SWS0819B New Product	Essentra	Washers Shoulder Washer, .188 ID, .437 OD, .313 Shank OD	Datasheet	900In Stock	$0.15 $0.112 $0.096 $0.091 View $0.083 $0.076 $0.071	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		11.1 mm		M4	Black
Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD 12SWS0827 Essentra 1: $0.13 4,002In Stock	Mfr. Part # 12SWS0827 Mouser Part # 144-12SWS0827	Essentra	Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD	Datasheet	4,002In Stock	$0.13 $0.098 $0.083 $0.078 View $0.07 $0.065 $0.061 $0.059 $0.055	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		0.375 in		M4	Natural
Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD 12SWS0827B Essentra 1: $0.14 1,000In Stock New Product	Mfr. Part # 12SWS0827B Mouser Part # 144-12SWS0827B New Product	Essentra	Washers Shoulder Washer, .171 ID, .375 OD, .250 Shank OD	Datasheet	1,000In Stock	$0.14 $0.107 $0.091 $0.086 View $0.078 $0.071 $0.067	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		9.5 mm		M4	Black
Washers Shoulder Washer, .198 ID, .375 OD, .250 Shank OD 12SWS0847 Essentra 1: $0.22 801In Stock	Mfr. Part # 12SWS0847 Mouser Part # 144-12SWS0847	Essentra	Washers Shoulder Washer, .198 ID, .375 OD, .250 Shank OD		801In Stock	$0.22 $0.173 $0.145 $0.129 View $0.122 $0.115 $0.105 $0.098 $0.095	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		0.375 in		M4	Natural
Washers Shoulder Washer, .198 ID, .375 OD, .250 Shank OD 12SWS0847B Essentra 1: $0.24 1,000In Stock New Product	Mfr. Part # 12SWS0847B Mouser Part # 144-12SWS0847B New Product	Essentra	Washers Shoulder Washer, .198 ID, .375 OD, .250 Shank OD	Datasheet	1,000In Stock	$0.24 $0.183 $0.156 $0.143 View $0.134 $0.13 $0.124 $0.122 $0.12	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		9.5 mm		M4	Black
Washers Shoulder Washer, .190 ID, .490 OD, .250 Shank OD 12SWS1050 Essentra 1: $0.14 810In Stock	Mfr. Part # 12SWS1050 Mouser Part # 144-12SWS1050	Essentra	Washers Shoulder Washer, .190 ID, .490 OD, .250 Shank OD	Datasheet	810In Stock	$0.14 $0.11 $0.094 $0.088 View $0.08 $0.073 $0.069 $0.067 $0.063	Min.: 1 Mult.: 1	Shoulder Washer	Nylon		0.49 in		M4	Natural
Washers Flat Washer, 4.30mm ID, M4 / #8 Screw 16M04080200 Essentra 1: $0.10 1,524In Stock	Mfr. Part # 16M04080200 Mouser Part # 144-16M04080200	Essentra	Washers Flat Washer, 4.30mm ID, M4 / #8 Screw Learn More about Essentra 16m nylon flat washers		1,524In Stock	$0.10 $0.073 $0.062 $0.057 View $0.051 $0.047 $0.044 $0.042 $0.04	Min.: 1 Mult.: 1	Flat Washer	Nylon		8 mm		M4	Natural		16M
Washers Flat Washer, 4.30mm ID, M4 / #8 Screw 16M04080200B Essentra 1: $0.11 2,766In Stock	Mfr. Part # 16M04080200B Mouser Part # 144-16M04080200B	Essentra	Washers Flat Washer, 4.30mm ID, M4 / #8 Screw Learn More about Essentra 16m nylon flat washers		2,766In Stock	$0.11 $0.08 $0.068 $0.063 View $0.051 $0.048 $0.047 $0.044	Min.: 1 Mult.: 1	Flat Washer	Nylon	4.3 mm	8.0 mm	2 mm	M4	Black		16M
Washers Locking Sealing Washer, 4.15mm ID,M4/#8 Scrw 16MLSW040090125 Essentra 1: $0.10 805In Stock	Mfr. Part # 16MLSW040090125 Mouser Part # 144-16MLSW040090125	Essentra	Washers Locking Sealing Washer, 4.15mm ID,M4/#8 Scrw	Datasheet	805In Stock	$0.10 $0.062 $0.053 $0.048 View $0.042 $0.039 $0.036	Min.: 1 Mult.: 1	Sealing Washer	Nylon		0.354 in		M4	Natural
Washers WASHER M4 173000400022 Essentra 1: $0.22 2,416In Stock	Mfr. Part # 173000400022 Mouser Part # 144-173000400022	Essentra	Washers WASHER M4		2,416In Stock	$0.22 $0.168 $0.141 $0.133 View $0.126 $0.122 $0.116 $0.103 $0.101	Min.: 1 Mult.: 1	Flat Washer	Polycarbonate (PC)		10 mm		M4	Clear
Washers #8 RETAINING WASHER 2248 Keystone Electronics 1: $0.15 3,760In Stock	Mfr. Part # 2248 Mouser Part # 534-2248	Keystone Electronics	Washers #8 RETAINING WASHER	Datasheet	3,760In Stock	$0.15 $0.131 $0.112 $0.093 View $0.077 $0.067 $0.061 $0.049	Min.: 1 Mult.: 1	Retaining Washer	Nylon	3.4 mm	9.91 mm	0.81 mm	M4			2248	Bulk
Washers WASHER 4.3X12X1.5 032040011407 Essentra 1: $0.13 800In Stock	Mfr. Part # 032040011407 Mouser Part # 144-032040011407	Essentra	Washers WASHER 4.3X12X1.5		800In Stock	$0.13 $0.095 $0.081 $0.076 View $0.068 $0.063 $0.059 $0.057 $0.054	Min.: 1 Mult.: 1	Flat Washer	Polyvinyl Chloride (PVC)	4.3 mm	12 mm	1.4 mm	M4	Black
Washers LOCK WASHER 1477 Keystone Electronics 1: $0.24 2,441In Stock	Mfr. Part # 1477 Mouser Part # 534-1477	Keystone Electronics	Washers LOCK WASHER	Datasheet	2,441In Stock	$0.24 $0.189 $0.168 $0.142 View $0.118 $0.106 $0.094 $0.09	Min.: 1 Mult.: 1	Lock Washer	Steel	5 mm	8.1 mm	1.2 mm	M4		Zinc		Bulk
Washers #8 RETAINING WASHER 2287 Keystone Electronics 1: $0.18 2,234In Stock	Mfr. Part # 2287 Mouser Part # 534-2287	Keystone Electronics	Washers #8 RETAINING WASHER	Datasheet	2,234In Stock	$0.18 $0.137 $0.122 $0.103 View $0.096 $0.084 $0.071 $0.066	Min.: 1 Mult.: 1	Retaining Washer	Nylon	3.8 mm	9.9 mm	1.6 mm	M4				Bulk
Washers METAL WASHER 4703 Keystone Electronics 1: $0.13 2,424In Stock	Mfr. Part # 4703 Mouser Part # 534-4703	Keystone Electronics	Washers METAL WASHER	Datasheet	2,424In Stock	$0.13 $0.096 $0.086 $0.072 View $0.059 $0.055 $0.049 $0.046	Min.: 1 Mult.: 1	Flat Washer	Steel	5.1 mm	0.437 mm	0.84 mm	M4		Zinc		Bulk

M4 Washers

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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