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Flat Washers in Every Size, Material & Tolerance

Flat washers are essential components in fastener assemblies, distributing load evenly across mating surfaces to prevent wear, protect finishes, and ensure joint integrity. As a leading flat washer manufacturer, Superior Washer & Gasket Corp supplies standard washers, large flat washers, and custom flat washers in aluminum, brass, copper, stainless steel, carbon steel, and nylon-manufactured to your exact specifications.

Our ISO 9001:2015 certified quality management system guarantees consistent dimensional accuracy across every order, from prototype quantities to high-volume production runs. Whether you need special flat washers for a unique application or mil-spec flat washers for aerospace and defense, we deliver reliable solutions made in the U.S.A.

  • Standard and custom flat washer sizes in stock
  • Wide selection of materials including stainless steel, brass, aluminum, and nylon
  • ISO 9001:2015 certified manufacturing and quality control
  • Custom flat washers produced to print or sample
  • Competitive pricing with fast turnaround

Showing 22851–22900 of 25,000+ products

SKU ID (MM) OD (MM) Thickness (MM) Material ID MM TOL OD MM TOL Quantity

630-3881

ID (MM) 5.156
OD (MM) 14.275
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3882

ID (MM) 5.156
OD (MM) 14.275
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3883

ID (MM) 5.156
OD (MM) 14.275
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3884

ID (MM) 5.156
OD (MM) 14.275
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3885

ID (MM) 5.156
OD (MM) 14.275
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3886

ID (MM) 5.156
OD (MM) 14.275
Thickness (MM) 2.54
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3887

ID (MM) 5.156
OD (MM) 14.275
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3888

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3889

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3890

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3891

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3892

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3893

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3894

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3895

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3896

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3897

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3898

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3899

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 2.54
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3900

ID (MM) 5.156
OD (MM) 15.875
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3901

ID (MM) 5.156
OD (MM) 16.002
Thickness (MM) 2.997
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3902

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3903

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3904

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3905

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3906

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3907

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3908

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3909

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3910

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3911

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3912

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 2.54
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3913

ID (MM) 5.156
OD (MM) 19.05
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3914

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3915

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3916

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3917

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3918

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3919

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3920

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3921

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3922

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3923

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3924

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3925

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 2.54
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3926

ID (MM) 5.156
OD (MM) 22.225
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3927

ID (MM) 5.156
OD (MM) 25.248
Thickness (MM) 1.295
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3928

ID (MM) 5.156
OD (MM) 25.4
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3929

ID (MM) 5.156
OD (MM) 25.4
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3930

ID (MM) 5.156
OD (MM) 25.4
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity