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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 21751–21800 of 25,000+ products

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

630-2781

ID (MM) 3.581
OD (MM) 15.875
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2782

ID (MM) 3.581
OD (MM) 15.875
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2783

ID (MM) 3.581
OD (MM) 15.875
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2784

ID (MM) 3.581
OD (MM) 15.875
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2785

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2786

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2787

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2788

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2789

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2790

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2791

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2792

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2793

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2794

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2795

ID (MM) 3.581
OD (MM) 19.05
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2796

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2797

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2798

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2799

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2800

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2801

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2802

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2803

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2804

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2805

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2806

ID (MM) 3.581
OD (MM) 22.225
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2807

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2808

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2809

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2810

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2811

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2812

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2813

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2814

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2815

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2816

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2817

ID (MM) 3.581
OD (MM) 25.4
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2818

ID (MM) 3.607
OD (MM) 6.756
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2819

ID (MM) 3.607
OD (MM) 6.756
Thickness (MM) 0.66
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2820

ID (MM) 3.607
OD (MM) 9.525
Thickness (MM) 0.559
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2821

ID (MM) 3.607
OD (MM) 9.804
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2822

ID (MM) 3.607
OD (MM) 10.236
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2823

ID (MM) 3.607
OD (MM) 17.526
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2824

ID (MM) 3.607
OD (MM) 18.263
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2825

ID (MM) 3.607
OD (MM) 18.974
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2826

ID (MM) 3.632
OD (MM) 6.071
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2827

ID (MM) 3.632
OD (MM) 6.248
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2828

ID (MM) 3.632
OD (MM) 6.35
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2829

ID (MM) 3.632
OD (MM) 6.655
Thickness (MM) 0.076
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2830

ID (MM) 3.632
OD (MM) 6.807
Thickness (MM) 0.711
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity