Aluminum Flat Washers - Lightweight Corrosion-Resistant Washers

Aluminum flat washers offer excellent corrosion resistance and a light weight, making them ideal for aerospace, marine, electronics, and weight-sensitive applications where stainless steel or steel washers are too heavy. Superior Washer & Gasket Corp manufactures aluminum flat washers in standard and custom sizes from quality aluminum alloys.

Our ISO 9001:2015 certified manufacturing facility supplies aluminum flat washers from stock inventory and produces custom aluminum washers to your OD, ID, and thickness specifications. All aluminum washers are made in the U.S.A. with material certifications available on request.

Lightweight aluminum for weight-critical applications
Excellent corrosion resistance
Standard and custom aluminum flat washer sizes
ISO 9001:2015 certified quality assurance
Made in the U.S.A.

Showing 251–300 of 620 products

SKU	ID	OD	Thickness	Material	ID TOL	OD TOL	Quantity
475-325-040	ID 0.312	OD 1.251	Thickness 0.04	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-326-032	ID 0.313	OD 0.562	Thickness 0.032	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-327-030	ID 0.314	OD 0.375	Thickness 0.03	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-328-063	ID 0.314	OD 0.875	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-329-041	ID 0.316	OD 0.414	Thickness 0.041	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-33-020	ID 0.093	OD 0.247	Thickness 0.02	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-330-024	ID 0.316	OD 0.592	Thickness 0.024	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-331-061	ID 0.316	OD 0.625	Thickness 0.061	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-332-063	ID 0.316	OD 0.733	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-333-063	ID 0.317	OD 0.749	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-334-040	ID 0.318	OD 0.497	Thickness 0.04	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-335-089	ID 0.318	OD 0.531	Thickness 0.089	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-336-020	ID 0.319	OD 0.427	Thickness 0.02	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-337-081	ID 0.319	OD 1.0	Thickness 0.081	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-338-042	ID 0.323	OD 0.481	Thickness 0.042	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-339-050	ID 0.323	OD 0.681	Thickness 0.05	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-34-033	ID 0.094	OD 0.218	Thickness 0.033	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-340-016	ID 0.325	OD 0.5	Thickness 0.016	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-341-063	ID 0.328	OD 0.522	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-342-020	ID 0.33	OD 0.415	Thickness 0.02	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-343-064	ID 0.33	OD 0.686	Thickness 0.064	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-344-050	ID 0.33	OD 1.376	Thickness 0.05	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-345-040	ID 0.332	OD 0.435	Thickness 0.04	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-346-063	ID 0.332	OD 0.56	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-347-062	ID 0.332	OD 0.872	Thickness 0.062	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-348-040	ID 0.333	OD 0.496	Thickness 0.04	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-349-032	ID 0.344	OD 0.874	Thickness 0.032	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-35-065	ID 0.095	OD 0.501	Thickness 0.065	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-350-063	ID 0.345	OD 0.892	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-351-063	ID 0.346	OD 0.5	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-352-016	ID 0.346	OD 0.97	Thickness 0.016	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-353-063	ID 0.347	OD 0.5	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-354-063	ID 0.347	OD 0.81	Thickness 0.063	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-355-032	ID 0.348	OD 0.561	Thickness 0.032	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-356-040	ID 0.353	OD 0.62	Thickness 0.04	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-357-071	ID 0.354	OD 0.901	Thickness 0.071	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-358-031	ID 0.361	OD 0.437	Thickness 0.031	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-359-064	ID 0.361	OD 1.563	Thickness 0.064	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-36-020	ID 0.096	OD 0.175	Thickness 0.02	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-360-021	ID 0.363	OD 0.512	Thickness 0.021	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-361-032	ID 0.364	OD 0.559	Thickness 0.032	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-362-021	ID 0.374	OD 0.749	Thickness 0.021	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-363-031	ID 0.377	OD 0.559	Thickness 0.031	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-364-059	ID 0.377	OD 0.625	Thickness 0.059	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-365-020	ID 0.378	OD 0.433	Thickness 0.02	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-366-020	ID 0.378	OD 0.675	Thickness 0.02	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-367-064	ID 0.378	OD 0.874	Thickness 0.064	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-368-040	ID 0.378	OD 0.917	Thickness 0.04	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-369-060	ID 0.378	OD 0.999	Thickness 0.06	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity
475-37-032	ID 0.096	OD 0.371	Thickness 0.032	Material Aluminum	ID TOL +-.005	OD TOL +-.005	Quantity

Aluminum Flat Washers - Lightweight Corrosion-Resistant Washers

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Material

ID

OD

Thickness

ID TOL

OD TOL

Description

A Special to You is Standard to Us

Made in USA

New York

South Carolina