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 21851–21900 of 25,000+ products

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

630-2881

ID (MM) 3.734
OD (MM) 7.62
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2882

ID (MM) 3.734
OD (MM) 7.925
Thickness (MM) 0.965
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2883

ID (MM) 3.734
OD (MM) 8.077
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2884

ID (MM) 3.734
OD (MM) 9.982
Thickness (MM) 0.076
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2885

ID (MM) 3.734
OD (MM) 11.43
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2886

ID (MM) 3.734
OD (MM) 15.9
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2887

ID (MM) 3.759
OD (MM) 7.976
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2888

ID (MM) 3.759
OD (MM) 8.661
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2889

ID (MM) 3.759
OD (MM) 9.576
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2890

ID (MM) 3.759
OD (MM) 9.652
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2891

ID (MM) 3.759
OD (MM) 14.427
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2892

ID (MM) 3.759
OD (MM) 15.748
Thickness (MM) 1.219
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2893

ID (MM) 3.759
OD (MM) 15.875
Thickness (MM) 1.194
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2894

ID (MM) 3.785
OD (MM) 9.474
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2895

ID (MM) 3.785
OD (MM) 11.1
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2896

ID (MM) 3.785
OD (MM) 11.938
Thickness (MM) 0.559
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2897

ID (MM) 3.785
OD (MM) 12.7
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2898

ID (MM) 3.785
OD (MM) 12.7
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2899

ID (MM) 3.785
OD (MM) 12.7
Thickness (MM) 2.083
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2900

ID (MM) 3.785
OD (MM) 14.3
Thickness (MM) 1.88
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2901

ID (MM) 3.785
OD (MM) 15.977
Thickness (MM) 1.194
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2902

ID (MM) 3.785
OD (MM) 18.974
Thickness (MM) 1.626
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2903

ID (MM) 3.81
OD (MM) 4.724
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2904

ID (MM) 3.81
OD (MM) 5.486
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2905

ID (MM) 3.81
OD (MM) 6.121
Thickness (MM) 0.533
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2906

ID (MM) 3.81
OD (MM) 6.248
Thickness (MM) 0.305
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2907

ID (MM) 3.81
OD (MM) 6.477
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2908

ID (MM) 3.81
OD (MM) 6.782
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2909

ID (MM) 3.81
OD (MM) 6.883
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2910

ID (MM) 3.81
OD (MM) 7.036
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2911

ID (MM) 3.81
OD (MM) 7.112
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2912

ID (MM) 3.81
OD (MM) 7.874
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2913

ID (MM) 3.81
OD (MM) 8.255
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2914

ID (MM) 3.81
OD (MM) 8.534
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2915

ID (MM) 3.81
OD (MM) 9.525
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2916

ID (MM) 3.81
OD (MM) 20.218
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2917

ID (MM) 3.835
OD (MM) 6.35
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2918

ID (MM) 3.835
OD (MM) 8.89
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2919

ID (MM) 3.835
OD (MM) 9.398
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2920

ID (MM) 3.835
OD (MM) 9.474
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2921

ID (MM) 3.835
OD (MM) 9.474
Thickness (MM) 1.168
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2922

ID (MM) 3.835
OD (MM) 9.728
Thickness (MM) 1.245
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2923

ID (MM) 3.835
OD (MM) 14.986
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2924

ID (MM) 3.835
OD (MM) 15.799
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2925

ID (MM) 3.861
OD (MM) 4.674
Thickness (MM) 0.152
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2926

ID (MM) 3.861
OD (MM) 6.172
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2927

ID (MM) 3.861
OD (MM) 6.401
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2928

ID (MM) 3.861
OD (MM) 6.934
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2929

ID (MM) 3.861
OD (MM) 7.087
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2930

ID (MM) 3.861
OD (MM) 7.772
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

YouTube iFrame