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 22751–22800 of 25,000+ products

SKU	ID (MM)	OD (MM)	Thickness (MM)	Material	ID MM TOL	OD MM TOL	Quantity
630-3781	ID (MM) 5.029	OD (MM) 11.1	Thickness (MM) 0.813	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3782	ID (MM) 5.029	OD (MM) 11.1	Thickness (MM) 1.575	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3783	ID (MM) 5.029	OD (MM) 11.328	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3784	ID (MM) 5.029	OD (MM) 11.506	Thickness (MM) 1.499	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3785	ID (MM) 5.029	OD (MM) 11.811	Thickness (MM) 1.067	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3786	ID (MM) 5.029	OD (MM) 11.989	Thickness (MM) 1.422	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3787	ID (MM) 5.029	OD (MM) 12.243	Thickness (MM) 0.66	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3788	ID (MM) 5.029	OD (MM) 12.7	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3789	ID (MM) 5.029	OD (MM) 12.7	Thickness (MM) 1.575	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3790	ID (MM) 5.029	OD (MM) 14.783	Thickness (MM) 1.473	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3791	ID (MM) 5.029	OD (MM) 14.986	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3792	ID (MM) 5.055	OD (MM) 6.147	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3793	ID (MM) 5.055	OD (MM) 6.248	Thickness (MM) 0.051	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3794	ID (MM) 5.055	OD (MM) 6.553	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3795	ID (MM) 5.055	OD (MM) 6.883	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3796	ID (MM) 5.055	OD (MM) 7.518	Thickness (MM) 0.711	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3797	ID (MM) 5.055	OD (MM) 7.925	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3798	ID (MM) 5.055	OD (MM) 8.179	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3799	ID (MM) 5.055	OD (MM) 9.322	Thickness (MM) 0.051	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3800	ID (MM) 5.055	OD (MM) 10.566	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3801	ID (MM) 5.055	OD (MM) 10.795	Thickness (MM) 1.549	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3802	ID (MM) 5.055	OD (MM) 10.922	Thickness (MM) 0.279	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3803	ID (MM) 5.055	OD (MM) 11.455	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3804	ID (MM) 5.055	OD (MM) 11.913	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3805	ID (MM) 5.055	OD (MM) 13.487	Thickness (MM) 1.499	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3806	ID (MM) 5.055	OD (MM) 14.173	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3807	ID (MM) 5.055	OD (MM) 14.402	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3808	ID (MM) 5.055	OD (MM) 15.646	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3809	ID (MM) 5.055	OD (MM) 15.875	Thickness (MM) 1.295	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3810	ID (MM) 5.055	OD (MM) 15.875	Thickness (MM) 1.549	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3811	ID (MM) 5.055	OD (MM) 16.535	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3812	ID (MM) 5.055	OD (MM) 16.713	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3813	ID (MM) 5.055	OD (MM) 18.415	Thickness (MM) 1.041	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3814	ID (MM) 5.08	OD (MM) 6.248	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3815	ID (MM) 5.08	OD (MM) 6.833	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3816	ID (MM) 5.08	OD (MM) 6.909	Thickness (MM) 0.102	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3817	ID (MM) 5.08	OD (MM) 7.518	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3818	ID (MM) 5.08	OD (MM) 7.874	Thickness (MM) 0.051	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3819	ID (MM) 5.08	OD (MM) 7.925	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3820	ID (MM) 5.08	OD (MM) 8.052	Thickness (MM) 0.737	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3821	ID (MM) 5.08	OD (MM) 8.179	Thickness (MM) 0.025	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3822	ID (MM) 5.08	OD (MM) 8.306	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3823	ID (MM) 5.08	OD (MM) 8.331	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3824	ID (MM) 5.08	OD (MM) 8.382	Thickness (MM) 0.483	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3825	ID (MM) 5.08	OD (MM) 9.855	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3826	ID (MM) 5.08	OD (MM) 10.338	Thickness (MM) 1.245	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3827	ID (MM) 5.08	OD (MM) 11.1	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3828	ID (MM) 5.08	OD (MM) 11.481	Thickness (MM) 0.813	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3829	ID (MM) 5.08	OD (MM) 12.573	Thickness (MM) 0.965	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-3830	ID (MM) 5.08	OD (MM) 15.824	Thickness (MM) 1.016	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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