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 101–150 of 427 products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

815-186-032

ID 0.467
OD 0.624
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-187-063

ID 0.469
OD 0.995
Thickness 0.063
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-188-125

ID 0.471
OD 0.876
Thickness 0.125
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-189-095

ID 0.471
OD 0.998
Thickness 0.095
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-19-005

ID 0.102
OD 0.233
Thickness 0.005
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-190-127

ID 0.474
OD 0.879
Thickness 0.127
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-191-061

ID 0.476
OD 0.609
Thickness 0.061
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-192-076

ID 0.485
OD 0.526
Thickness 0.076
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-193-079

ID 0.485
OD 0.625
Thickness 0.079
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-194-076

ID 0.485
OD 0.626
Thickness 0.076
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-195-093

ID 0.502
OD 0.966
Thickness 0.093
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-196-061

ID 0.503
OD 0.811
Thickness 0.061
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-197-032

ID 0.504
OD 0.687
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-198-063

ID 0.507
OD 0.734
Thickness 0.063
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-199-020

ID 0.509
OD 0.998
Thickness 0.02
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-20-024

ID 0.1
OD 0.343
Thickness 0.024
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-200-050

ID 0.51
OD 0.738
Thickness 0.05
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-201-032

ID 0.512
OD 0.66
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-202-050

ID 0.513
OD 0.739
Thickness 0.05
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-203-032

ID 0.515
OD 0.809
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-204-032

ID 0.519
OD 0.749
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-205-032

ID 0.519
OD 0.75
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-206-032

ID 0.519
OD 0.809
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-207-093

ID 0.519
OD 0.81
Thickness 0.093
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-208-062

ID 0.52
OD 0.75
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-209-032

ID 0.52
OD 0.811
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-21-020

ID 0.115
OD 0.211
Thickness 0.02
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-210-062

ID 0.527
OD 0.997
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-211-063

ID 0.529
OD 0.968
Thickness 0.063
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-212-060

ID 0.529
OD 0.998
Thickness 0.06
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-213-127

ID 0.53
OD 1.06
Thickness 0.127
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-214-032

ID 0.531
OD 0.687
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-214-064

ID 0.531
OD 0.687
Thickness 0.064
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-215-094

ID 0.532
OD 1.06
Thickness 0.094
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-216-062

ID 0.535
OD 0.875
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-217-032

ID 0.536
OD 0.689
Thickness 0.032
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-218-062

ID 0.536
OD 0.75
Thickness 0.062
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-219-033

ID 0.537
OD 0.69
Thickness 0.033
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-22-035

ID 0.116
OD 0.197
Thickness 0.035
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-220-031

ID 0.562
OD 0.936
Thickness 0.031
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-221-010

ID 0.564
OD 0.688
Thickness 0.01
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-222-089

ID 0.565
OD 0.745
Thickness 0.089
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-223-063

ID 0.565
OD 0.999
Thickness 0.063
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-224-039

ID 0.576
OD 0.688
Thickness 0.039
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-225-071

ID 0.58
OD 0.809
Thickness 0.071
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-226-064

ID 0.58
OD 0.997
Thickness 0.064
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-227-031

ID 0.596
OD 0.81
Thickness 0.031
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-228-033

ID 0.611
OD 0.813
Thickness 0.033
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-229-031

ID 0.612
OD 0.811
Thickness 0.031
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity

815-23-005

ID 0.12
OD 0.248
Thickness 0.005
Material Copper
ID TOL +-.005
OD TOL +-.005
Quantity