Flat Washers in Every Size, Material & Tolerance

Flat washers are essential components in fastener assemblies, distributing load evenly across mating surfaces to prevent wear, protect finishes, and ensure joint integrity. As a leading flat washer manufacturer, Superior Washer & Gasket Corp supplies standard washers, large flat washers, and custom flat washers in aluminum, brass, copper, stainless steel, carbon steel, and nylon-manufactured to your exact specifications.

Our ISO 9001:2015 certified quality management system guarantees consistent dimensional accuracy across every order, from prototype quantities to high-volume production runs. Whether you need special flat washers for a unique application or mil-spec flat washers for aerospace and defense, we deliver reliable solutions made in the U.S.A.

Standard and custom flat washer sizes in stock
Wide selection of materials including stainless steel, brass, aluminum, and nylon
ISO 9001:2015 certified manufacturing and quality control
Custom flat washers produced to print or sample
Competitive pricing with fast turnaround

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Showing 23301–23350 of 25,000+ products

SKU	ID (MM)	OD (MM)	Thickness (MM)	Material	ID MM TOL	OD MM TOL	Quantity
630-4331	ID (MM) 5.664	OD (MM) 12.827	Thickness (MM) 0.914	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4332	ID (MM) 5.664	OD (MM) 13.259	Thickness (MM) 0.483	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4333	ID (MM) 5.664	OD (MM) 18.618	Thickness (MM) 1.499	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4334	ID (MM) 5.664	OD (MM) 23.774	Thickness (MM) 0.432	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4335	ID (MM) 5.664	OD (MM) 26.162	Thickness (MM) 0.66	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4336	ID (MM) 5.69	OD (MM) 7.341	Thickness (MM) 0.737	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4337	ID (MM) 5.69	OD (MM) 7.493	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4338	ID (MM) 5.69	OD (MM) 7.62	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4339	ID (MM) 5.69	OD (MM) 7.95	Thickness (MM) 1.067	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4340	ID (MM) 5.69	OD (MM) 8.077	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4341	ID (MM) 5.69	OD (MM) 11.125	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4342	ID (MM) 5.69	OD (MM) 11.887	Thickness (MM) 0.737	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4343	ID (MM) 5.69	OD (MM) 12.141	Thickness (MM) 0.076	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4344	ID (MM) 5.69	OD (MM) 12.243	Thickness (MM) 0.61	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4345	ID (MM) 5.69	OD (MM) 12.802	Thickness (MM) 1.219	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4346	ID (MM) 5.69	OD (MM) 12.827	Thickness (MM) 0.965	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4347	ID (MM) 5.69	OD (MM) 13.259	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4348	ID (MM) 5.69	OD (MM) 15.011	Thickness (MM) 1.499	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4349	ID (MM) 5.69	OD (MM) 17.602	Thickness (MM) 1.651	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4350	ID (MM) 5.715	OD (MM) 8.534	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4351	ID (MM) 5.715	OD (MM) 10.312	Thickness (MM) 1.6	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4352	ID (MM) 5.715	OD (MM) 10.77	Thickness (MM) 0.406	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4353	ID (MM) 5.74	OD (MM) 7.442	Thickness (MM) 0.559	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4354	ID (MM) 5.74	OD (MM) 18.923	Thickness (MM) 0.737	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4355	ID (MM) 5.74	OD (MM) 19.075	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4356	ID (MM) 5.766	OD (MM) 7.366	Thickness (MM) 0.533	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4357	ID (MM) 5.766	OD (MM) 15.875	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4358	ID (MM) 5.766	OD (MM) 15.875	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4359	ID (MM) 5.766	OD (MM) 15.875	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4360	ID (MM) 5.766	OD (MM) 15.875	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4361	ID (MM) 5.766	OD (MM) 15.875	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4362	ID (MM) 5.766	OD (MM) 15.875	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4363	ID (MM) 5.766	OD (MM) 19.05	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4364	ID (MM) 5.766	OD (MM) 19.05	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4365	ID (MM) 5.766	OD (MM) 19.05	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4366	ID (MM) 5.766	OD (MM) 19.05	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4367	ID (MM) 5.766	OD (MM) 19.05	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4368	ID (MM) 5.766	OD (MM) 19.05	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4369	ID (MM) 5.766	OD (MM) 22.225	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4370	ID (MM) 5.766	OD (MM) 22.225	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4371	ID (MM) 5.766	OD (MM) 22.225	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4372	ID (MM) 5.766	OD (MM) 22.225	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4373	ID (MM) 5.766	OD (MM) 22.225	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4374	ID (MM) 5.766	OD (MM) 22.225	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4375	ID (MM) 5.766	OD (MM) 25.4	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4376	ID (MM) 5.766	OD (MM) 25.4	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4377	ID (MM) 5.766	OD (MM) 25.4	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4378	ID (MM) 5.766	OD (MM) 25.4	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4379	ID (MM) 5.766	OD (MM) 25.4	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-4380	ID (MM) 5.766	OD (MM) 25.4	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity

Flat Washers in Every Size, Material & Tolerance

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Description

A Special to You is Standard to Us

Made in USA

New York

South Carolina