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 22701–22750 of 25,000+ products

SKU	ID (MM)	OD (MM)	Thickness (MM)	Material	ID MM TOL	OD MM TOL	Quantity
630-3731	ID (MM) 4.953	OD (MM) 7.925	Thickness (MM) 1.473	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3732	ID (MM) 4.953	OD (MM) 8.255	Thickness (MM) 1.194	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3733	ID (MM) 4.953	OD (MM) 9.093	Thickness (MM) 0.533	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3734	ID (MM) 4.953	OD (MM) 9.423	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3735	ID (MM) 4.953	OD (MM) 9.728	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3736	ID (MM) 4.953	OD (MM) 10.312	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3737	ID (MM) 4.953	OD (MM) 10.541	Thickness (MM) 1.803	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3738	ID (MM) 4.953	OD (MM) 12.319	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3739	ID (MM) 4.953	OD (MM) 14.097	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3740	ID (MM) 4.953	OD (MM) 14.275	Thickness (MM) 1.956	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3741	ID (MM) 4.953	OD (MM) 15.723	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3742	ID (MM) 4.953	OD (MM) 15.773	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3743	ID (MM) 4.953	OD (MM) 17.45	Thickness (MM) 3.734	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3744	ID (MM) 4.953	OD (MM) 19.05	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3745	ID (MM) 4.978	OD (MM) 8.687	Thickness (MM) 0.406	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3746	ID (MM) 4.978	OD (MM) 9.068	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3747	ID (MM) 4.978	OD (MM) 9.246	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3748	ID (MM) 4.978	OD (MM) 9.373	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3749	ID (MM) 4.978	OD (MM) 9.398	Thickness (MM) 1.448	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3750	ID (MM) 4.978	OD (MM) 9.5	Thickness (MM) 0.813	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3751	ID (MM) 4.978	OD (MM) 9.703	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3752	ID (MM) 4.978	OD (MM) 10.287	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3753	ID (MM) 4.978	OD (MM) 11.836	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3754	ID (MM) 4.978	OD (MM) 13.792	Thickness (MM) 0.152	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3755	ID (MM) 4.978	OD (MM) 14.707	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3756	ID (MM) 4.978	OD (MM) 28.575	Thickness (MM) 0.432	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3757	ID (MM) 5.004	OD (MM) 6.147	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3758	ID (MM) 5.004	OD (MM) 6.223	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3759	ID (MM) 5.004	OD (MM) 6.274	Thickness (MM) 0.051	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3760	ID (MM) 5.004	OD (MM) 6.35	Thickness (MM) 0.406	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3761	ID (MM) 5.004	OD (MM) 6.782	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3762	ID (MM) 5.004	OD (MM) 7.925	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3763	ID (MM) 5.004	OD (MM) 8.204	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3764	ID (MM) 5.004	OD (MM) 8.89	Thickness (MM) 0.076	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3765	ID (MM) 5.004	OD (MM) 9.246	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3766	ID (MM) 5.004	OD (MM) 9.398	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3767	ID (MM) 5.004	OD (MM) 9.728	Thickness (MM) 1.194	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3768	ID (MM) 5.004	OD (MM) 9.982	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3769	ID (MM) 5.004	OD (MM) 11.836	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3770	ID (MM) 5.004	OD (MM) 14.275	Thickness (MM) 1.549	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3771	ID (MM) 5.004	OD (MM) 15.621	Thickness (MM) 1.321	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3772	ID (MM) 5.004	OD (MM) 15.773	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3773	ID (MM) 5.004	OD (MM) 18.542	Thickness (MM) 1.549	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3774	ID (MM) 5.004	OD (MM) 19.05	Thickness (MM) 0.711	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3775	ID (MM) 5.004	OD (MM) 20.98	Thickness (MM) 1.549	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3776	ID (MM) 5.029	OD (MM) 8.306	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3777	ID (MM) 5.029	OD (MM) 8.992	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3778	ID (MM) 5.029	OD (MM) 9.5	Thickness (MM) 1.473	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3779	ID (MM) 5.029	OD (MM) 9.55	Thickness (MM) 0.991	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3780	ID (MM) 5.029	OD (MM) 11.074	Thickness (MM) 1.041	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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A Special to You is Standard to Us

Made in USA

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