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 1401–1450 of 25,000+ products

SKU	ID (MM)	OD (MM)	Thickness (MM)	Material	ID MM TOL	OD MM TOL	Quantity
260-3258	ID (MM) 3.429	OD (MM) 4.75	Thickness (MM) 0.603	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3259	ID (MM) 3.429	OD (MM) 4.953	Thickness (MM) 0.629	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3260	ID (MM) 3.429	OD (MM) 5.537	Thickness (MM) 0.703	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3261	ID (MM) 3.429	OD (MM) 6.096	Thickness (MM) 0.774	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3262	ID (MM) 3.429	OD (MM) 6.35	Thickness (MM) 0.806	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3263	ID (MM) 3.429	OD (MM) 7.137	Thickness (MM) 0.906	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3264	ID (MM) 3.429	OD (MM) 7.925	Thickness (MM) 1.006	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3265	ID (MM) 3.429	OD (MM) 8.052	Thickness (MM) 1.023	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3266	ID (MM) 3.429	OD (MM) 9.525	Thickness (MM) 1.21	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3267	ID (MM) 3.429	OD (MM) 11.1	Thickness (MM) 1.41	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3268	ID (MM) 3.429	OD (MM) 12.7	Thickness (MM) 1.613	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3269	ID (MM) 3.429	OD (MM) 15.875	Thickness (MM) 2.016	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3270	ID (MM) 3.429	OD (MM) 20.625	Thickness (MM) 2.619	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3271	ID (MM) 3.454	OD (MM) 10.135	Thickness (MM) 1.287	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3272	ID (MM) 3.556	OD (MM) 9.5	Thickness (MM) 1.207	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3273	ID (MM) 3.581	OD (MM) 4.75	Thickness (MM) 0.603	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3274	ID (MM) 3.581	OD (MM) 5.537	Thickness (MM) 0.703	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3275	ID (MM) 3.581	OD (MM) 5.893	Thickness (MM) 0.748	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3276	ID (MM) 3.581	OD (MM) 6.35	Thickness (MM) 0.806	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3277	ID (MM) 3.581	OD (MM) 6.35	Thickness (MM) 0.806	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3278	ID (MM) 3.581	OD (MM) 6.909	Thickness (MM) 0.877	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3279	ID (MM) 3.581	OD (MM) 7.137	Thickness (MM) 0.906	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3280	ID (MM) 3.581	OD (MM) 7.925	Thickness (MM) 1.006	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3281	ID (MM) 3.581	OD (MM) 8.712	Thickness (MM) 1.106	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3282	ID (MM) 3.581	OD (MM) 9.525	Thickness (MM) 1.21	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3283	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 1.41	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3284	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 1.613	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3285	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 1.813	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3286	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 2.016	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3287	ID (MM) 3.581	OD (MM) 18.644	Thickness (MM) 2.368	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3288	ID (MM) 3.607	OD (MM) 6.375	Thickness (MM) 0.81	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3289	ID (MM) 3.607	OD (MM) 6.934	Thickness (MM) 0.881	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3290	ID (MM) 3.683	OD (MM) 6.35	Thickness (MM) 0.806	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3291	ID (MM) 3.683	OD (MM) 6.731	Thickness (MM) 0.855	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3292	ID (MM) 3.683	OD (MM) 6.883	Thickness (MM) 0.874	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3293	ID (MM) 3.683	OD (MM) 7.925	Thickness (MM) 1.006	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3294	ID (MM) 3.683	OD (MM) 9.525	Thickness (MM) 1.21	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3295	ID (MM) 3.683	OD (MM) 10.312	Thickness (MM) 1.31	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3296	ID (MM) 3.683	OD (MM) 12.7	Thickness (MM) 1.613	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3297	ID (MM) 3.683	OD (MM) 14.757	Thickness (MM) 1.874	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3298	ID (MM) 3.683	OD (MM) 15.875	Thickness (MM) 2.016	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3299	ID (MM) 3.734	OD (MM) 7.899	Thickness (MM) 1.003	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3300	ID (MM) 3.81	OD (MM) 4.75	Thickness (MM) 0.603	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3301	ID (MM) 3.81	OD (MM) 5.156	Thickness (MM) 0.655	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3302	ID (MM) 3.81	OD (MM) 5.537	Thickness (MM) 0.703	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3303	ID (MM) 3.81	OD (MM) 5.944	Thickness (MM) 0.755	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3304	ID (MM) 3.81	OD (MM) 6.35	Thickness (MM) 0.806	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3305	ID (MM) 3.81	OD (MM) 7.137	Thickness (MM) 0.906	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3306	ID (MM) 3.81	OD (MM) 7.899	Thickness (MM) 1.003	Material Nylon	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
260-3307	ID (MM) 3.81	OD (MM) 7.925	Thickness (MM) 1.006	Material Nylon	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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