Copper Flat Washers - Sealing & Conductive Washers

Copper flat washers are valued for their excellent electrical conductivity, thermal performance, and natural sealing properties-making them a preferred choice for hydraulic fittings, electrical connections, and high-temperature applications. Superior Washer & Gasket Corp manufactures copper washers in standard and custom sizes from quality copper stock.

Our ISO 9001:2015 certified facility produces copper flat washers and copper sealing washers from stock inventory and to custom OD, ID, and thickness specifications. All metal washers are made in the U.S.A. with material certifications available for regulated applications.

Superior electrical conductivity and thermal properties
Excellent natural sealing performance
Standard and custom copper flat washer sizes
ISO 9001:2015 certified quality assurance
Made in the U.S.A.; certifications available

Showing 201–250 of 427 products

SKU	ID	OD	Thickness	Material	ID TOL	OD TOL	Quantity
815-275-036	ID 0.17	OD 0.375	Thickness 0.035	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-275-062	ID 0.171	OD 0.375	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-276-031	ID 0.194	OD 0.497	Thickness 0.031	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-277-050	ID 0.628	OD 0.751	Thickness 0.05	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-278-062	ID 0.563	OD 0.813	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-279-032	ID 0.628	OD 0.875	Thickness 0.032	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-28-010	ID 0.128	OD 0.246	Thickness 0.01	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-280-040	ID 0.564	OD 0.9	Thickness 0.04	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-281-031	ID 0.632	OD 1.495	Thickness 0.031	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-282-010	ID 0.252	OD 0.496	Thickness 0.01	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-283-062	ID 0.535	OD 0.713	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-284-090	ID 0.503	OD 0.741	Thickness 0.09	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-285-031	ID 0.451	OD 0.747	Thickness 0.031	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-286-020	ID 0.603	OD 1.59	Thickness 0.02	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-287-062	ID 0.198	OD 0.438	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-288-032	ID 0.4	OD 0.631	Thickness 0.032	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-289-031	ID 0.323	OD 0.5	Thickness 0.031	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-29-020	ID 0.128	OD 0.247	Thickness 0.02	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-290-125	ID 0.305	OD 0.615	Thickness 0.125	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-291-061	ID 0.552	OD 0.708	Thickness 0.061	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-292-050	ID 0.711	OD 0.97	Thickness 0.05	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-293-062	ID 1.393	OD 1.69	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-294-062	ID 0.532	OD 0.75	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-295-062	ID 0.476	OD 0.928	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-296-050	ID 0.827	OD 1.044	Thickness 0.05	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-297-061	ID 0.25	OD 0.411	Thickness 0.061	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-298-032	ID 0.259	OD 0.624	Thickness 0.032	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-299-062	ID 0.252	OD 0.625	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-30-032	ID 0.129	OD 0.248	Thickness 0.032	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-300-031	ID 0.514	OD 0.687	Thickness 0.031	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-300-125	ID 0.812	OD 2.0	Thickness 0.125	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-301-060	ID 0.48	OD 0.7	Thickness 0.06	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-302-040	ID 0.0	OD 0.73	Thickness 0.04	Material Copper	ID TOL Not available	OD TOL +-.005	Quantity
815-303-062	ID 0.457	OD 0.868	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-304-080	ID 0.762	OD 1.016	Thickness 0.08	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-305-040	ID 0.392	OD 0.63	Thickness 0.04	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-307-062	ID 0.317	OD 0.467	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-308-050	ID 0.25	OD 0.495	Thickness 0.05	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-309-032	ID 0.39	OD 0.579	Thickness 0.032	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-31-032	ID 0.129	OD 0.281	Thickness 0.032	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-310-062	ID 0.385	OD 0.624	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-311-050	ID 0.541	OD 0.702	Thickness 0.05	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-312-062	ID 0.562	OD 0.827	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-313-062	ID 0.322	OD 0.55	Thickness 0.062	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-314-094	ID 0.313	OD 0.625	Thickness 0.094	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-315-032	ID 1.246	OD 1.512	Thickness 0.032	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-316-031	ID 0.34	OD 0.561	Thickness 0.031	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-317-025	ID 0.19	OD 0.751	Thickness 0.025	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-318-126	ID 0.26	OD 0.627	Thickness 0.126	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity
815-319-040	ID 0.203	OD 0.5	Thickness 0.04	Material Copper	ID TOL +-.005	OD TOL +-.005	Quantity

Copper Flat Washers - Sealing & Conductive Washers

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Type

Material

ID

OD

Thickness

ID TOL

OD TOL

Copper Flat Washers - Sealing & Conductive Washers

Description

A Special to You is Standard to Us

Made in USA

New York

South Carolina