Standard Flat Washers - General-Purpose Washers in All Sizes & Materials

Standard washers are the most widely used fastener components across industrial, commercial, and consumer applications, providing reliable load distribution, surface protection, and joint stability. Superior Washer & Gasket Corp supplies standard flat washers in a comprehensive range of sizes and materials-including steel, stainless steel, brass, aluminum, copper, and nylon-from one of the largest domestic washer inventories available.

As an ISO 9001:2015 certified washer manufacturer, we maintain broad inventory of standard washers for fast delivery and offer custom washer production for non-standard sizes and materials. Whether you need standard SAE or USS washers or custom flat washers in specialty materials, our washer supply capabilities deliver consistent quality made in the U.S.A.

SAE and USS standard washer sizes in stock
Steel, stainless steel, brass, aluminum, and nylon options
Custom standard and special washers available
ISO 9001:2015 certified quality management
Made in the U.S.A. with fast delivery

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Showing 751–800 of 1,322 products

SKU	ID	OD	Thickness	Material	Size	Quantity
N8-375062NM	ID 0.17	OD 0.375	Thickness 0.062	Material Nylon	Size #8	Quantity
P0-125010NM	ID 0.068	OD 0.125	Thickness 0.01	Material Phenolic Standard	Size #0	Quantity
P1-156015NM	ID 0.084	OD 0.156	Thickness 0.015	Material Phenolic Standard	Size #1	Quantity
P10-375031NM	ID 0.196	OD 0.375	Thickness 0.031	Material Phenolic Standard	Size #10	Quantity
P10-375062NM	ID 0.196	OD 0.375	Thickness 0.062	Material Phenolic Standard	Size #10	Quantity
P10-437030NM	ID 0.218	OD 0.437	Thickness 0.03	Material Phenolic Standard	Size #10	Quantity
P10-437031NM	ID 0.196	OD 0.437	Thickness 0.031	Material Phenolic Standard	Size #10	Quantity
P10-437062NM	ID 0.196	OD 0.437	Thickness 0.062	Material Phenolic Standard	Size #10	Quantity
P12-500030NM	ID 0.227	OD 0.5	Thickness 0.03	Material Phenolic Standard	Size #12	Quantity
P14-500030NM	ID 0.281	OD 0.5	Thickness 0.03	Material Phenolic Standard	Size 1/4	Quantity
P14-500031NM	ID 0.253	OD 0.5	Thickness 0.031	Material Phenolic Standard	Size 1/4	Quantity
P14-500062NM	ID 0.253	OD 0.5	Thickness 0.062	Material Phenolic Standard	Size 1/4	Quantity
P14-500093NM	ID 0.253	OD 0.5	Thickness 0.093	Material Phenolic Standard	Size 0.25	Quantity
P14-562062NM	ID 0.253	OD 0.562	Thickness 0.062	Material Phenolic Standard	Size 1/4	Quantity
P18-500031NM	ID 0.315	OD 0.5	Thickness 0.031	Material Phenolic Standard	Size 5/16	Quantity
P18-500062NM	ID 0.315	OD 0.5	Thickness 0.062	Material Phenolic Standard	Size 5/16	Quantity
P18-875062NM	ID 0.343	OD 0.875	Thickness 0.062	Material Phenolic Standard	Size 5/16	Quantity
P2-187031NM	ID 0.093	OD 0.187	Thickness 0.031	Material Phenolic Standard	Size #2	Quantity
P2-250020NM	ID 0.093	OD 0.25	Thickness 0.02	Material Phenolic Standard	Size #2	Quantity
P2-250031NM	ID 0.093	OD 0.25	Thickness 0.031	Material Phenolic Standard	Size #2	Quantity
P2-281020NM	ID 0.093	OD 0.281	Thickness 0.02	Material Phenolic Standard	Size #2	Quantity
P2-281031NM	ID 0.093	OD 0.281	Thickness 0.031	Material Phenolic Standard	Size #2	Quantity
P20-100062NM	ID 0.406	OD 1.0	Thickness 0.062	Material Phenolic Standard	Size 3/8	Quantity
P20-625031NM	ID 0.385	OD 0.625	Thickness 0.031	Material Phenolic Standard	Size 3/8	Quantity
P20-625062NM	ID 0.385	OD 0.625	Thickness 0.062	Material Phenolic Standard	Size 3/8	Quantity
P20-750062NM	ID 0.378	OD 0.75	Thickness 0.062	Material Phenolic Standard	Size 3/8	Quantity
P22-750031NM	ID 0.443	OD 0.75	Thickness 0.031	Material Phenolic Standard	Size 7/16	Quantity
P22-750062NM	ID 0.443	OD 0.75	Thickness 0.062	Material Phenolic Standard	Size 7/16	Quantity
P24-125062NM	ID 0.562	OD 1.25	Thickness 0.062	Material Phenolic Standard	Size 1/2	Quantity
P24-750031NM	ID 0.505	OD 0.75	Thickness 0.031	Material Phenolic Standard	Size 1/2	Quantity
P24-750062NM	ID 0.505	OD 0.75	Thickness 0.062	Material Phenolic Standard	Size 1/2	Quantity
P24-875031NM	ID 0.515	OD 0.875	Thickness 0.031	Material Phenolic Standard	Size 1/2	Quantity
P24-875062NM	ID 0.515	OD 0.875	Thickness 0.062	Material Phenolic Standard	Size 1/2	Quantity
P28-131093NM	ID 0.656	OD 1.312	Thickness 0.093	Material Phenolic Standard	Size 5/8	Quantity
P3-250020NM	ID 0.105	OD 0.25	Thickness 0.02	Material Phenolic Standard	Size #3	Quantity
P30-146093NM	ID 0.812	OD 1.469	Thickness 0.093	Material Phenolic Standard	Size 3/4	Quantity
P4-250020NM	ID 0.115	OD 0.25	Thickness 0.02	Material Phenolic Standard	Size #4	Quantity
P4-250031NM	ID 0.115	OD 0.25	Thickness 0.031	Material Phenolic Standard	Size #4	Quantity
P4-250062NM	ID 0.115	OD 0.25	Thickness 0.062	Material Phenolic Standard	Size #4	Quantity
P4-281030NM	ID 0.125	OD 0.281	Thickness 0.03	Material Phenolic Standard	Size #4	Quantity
P4-281031NM	ID 0.115	OD 0.281	Thickness 0.031	Material Phenolic Standard	Size #4	Quantity
P4-281050NM	ID 0.115	OD 0.281	Thickness 0.05	Material Phenolic Standard	Size #4	Quantity
P4-281062NM	ID 0.115	OD 0.281	Thickness 0.062	Material Phenolic Standard	Size #4	Quantity
P5-250020NM	ID 0.125	OD 0.25	Thickness 0.02	Material Phenolic Standard	Size #5	Quantity
P6-250031NM	ID 0.141	OD 0.25	Thickness 0.031	Material Phenolic Standard	Size #6	Quantity
P6-250062NM	ID 0.141	OD 0.25	Thickness 0.062	Material Phenolic Standard	Size #6	Quantity
P6-312031NM	ID 0.141	OD 0.312	Thickness 0.031	Material Phenolic Standard	Size #6	Quantity
P6-312050NM	ID 0.141	OD 0.312	Thickness 0.05	Material Phenolic Standard	Size #6	Quantity
P6-312062NM	ID 0.141	OD 0.312	Thickness 0.062	Material Phenolic Standard	Size #6	Quantity
P6-312090NM	ID 0.156	OD 0.312	Thickness 0.03	Material Phenolic Standard	Size #6	Quantity

Standard Flat Washers - General-Purpose Washers in All Sizes & Materials

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