Home | Copper Flat Washers - Sealing & Conductive Washers

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

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Showing 151–200 of 427 products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

815-230-016

ID 0.623
OD 1.047
Thickness 0.016
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-231-059

ID 0.624
OD 1.131
Thickness 0.059
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-232-016

ID 0.624
OD 1.153
Thickness 0.016
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-233-062

ID 0.628
OD 0.843
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-234-061

ID 0.629
OD 0.843
Thickness 0.061
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-235-062

ID 0.629
OD 0.937
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-236-061

ID 0.63
OD 0.796
Thickness 0.061
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-237-032

ID 0.632
OD 0.879
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-238-062

ID 0.633
OD 0.763
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-239-032

ID 0.641
OD 0.872
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-24-015

ID 0.122
OD 0.183
Thickness 0.015
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-240-061

ID 0.656
OD 0.763
Thickness 0.061
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-241-061

ID 0.659
OD 1.25
Thickness 0.061
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-242-062

ID 0.69
OD 0.871
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-243-062

ID 0.69
OD 1.0
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-244-094

ID 0.69
OD 1.501
Thickness 0.094
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-245-062

ID 0.691
OD 1.0
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-246-031

ID 0.695
OD 0.877
Thickness 0.031
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-247-034

ID 0.753
OD 0.936
Thickness 0.034
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-248-063

ID 0.755
OD 1.125
Thickness 0.063
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-249-084

ID 0.767
OD 1.312
Thickness 0.084
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-25-020

ID 0.122
OD 0.247
Thickness 0.02
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-250-050

ID 0.768
OD 1.058
Thickness 0.05
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-251-032

ID 0.769
OD 1.497
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-252-050

ID 0.784
OD 1.502
Thickness 0.05
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-253-039

ID 0.799
OD 0.982
Thickness 0.039
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-254-094

ID 0.799
OD 0.996
Thickness 0.094
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-255-129

ID 0.816
OD 1.468
Thickness 0.129
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-256-062

ID 0.874
OD 1.052
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-257-032

ID 0.875
OD 1.031
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-258-063

ID 0.878
OD 1.25
Thickness 0.063
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-259-032

ID 0.884
OD 1.279
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-26-016

ID 0.124
OD 0.248
Thickness 0.016
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-260-061

ID 0.894
OD 1.279
Thickness 0.061
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-261-063

ID 0.955
OD 1.125
Thickness 0.063
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-262-062

ID 0.957
OD 1.127
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-263-063

ID 1.002
OD 1.377
Thickness 0.063
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-264-030

ID 1.005
OD 1.251
Thickness 0.03
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-265-094

ID 1.16
OD 1.876
Thickness 0.094
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-266-019

ID 1.193
OD 1.406
Thickness 0.019
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-267-065

ID 1.251
OD 1.502
Thickness 0.065
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-268-032

ID 1.286
OD 1.405
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-269-031

ID 1.535
OD 1.87
Thickness 0.031
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-269-032

ID 0.315
OD 0.485
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-27-033

ID 0.124
OD 0.278
Thickness 0.033
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-270-062

ID 0.402
OD 0.75
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-271-020

ID 0.641
OD 0.937
Thickness 0.02
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-272-062

ID 0.89
OD 1.125
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-273-093

ID 0.768
OD 1.312
Thickness 0.093
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-274-031

ID 0.329
OD 0.498
Thickness 0.031
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity