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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 21551–21600 of 25,000+ products

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

630-2581

ID (MM) 3.277
OD (MM) 4.75
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2582

ID (MM) 3.277
OD (MM) 5.537
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2583

ID (MM) 3.277
OD (MM) 5.588
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2584

ID (MM) 3.277
OD (MM) 6.071
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2585

ID (MM) 3.277
OD (MM) 6.223
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2586

ID (MM) 3.277
OD (MM) 6.274
Thickness (MM) 0.584
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2587

ID (MM) 3.277
OD (MM) 6.35
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2588

ID (MM) 3.277
OD (MM) 6.502
Thickness (MM) 0.152
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2589

ID (MM) 3.277
OD (MM) 6.756
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2590

ID (MM) 3.277
OD (MM) 6.909
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2591

ID (MM) 3.277
OD (MM) 7.087
Thickness (MM) 0.66
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2592

ID (MM) 3.277
OD (MM) 7.163
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2593

ID (MM) 3.277
OD (MM) 7.671
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2594

ID (MM) 3.277
OD (MM) 7.823
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2595

ID (MM) 3.277
OD (MM) 7.925
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2596

ID (MM) 3.277
OD (MM) 8.001
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2597

ID (MM) 3.277
OD (MM) 8.001
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2598

ID (MM) 3.277
OD (MM) 8.128
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2599

ID (MM) 3.277
OD (MM) 9.068
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2600

ID (MM) 3.277
OD (MM) 9.474
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2601

ID (MM) 3.277
OD (MM) 10.668
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2602

ID (MM) 3.277
OD (MM) 10.973
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2603

ID (MM) 3.277
OD (MM) 11.1
Thickness (MM) 0.533
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2604

ID (MM) 3.277
OD (MM) 11.1
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2605

ID (MM) 3.277
OD (MM) 12.7
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2606

ID (MM) 3.277
OD (MM) 12.7
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2607

ID (MM) 3.277
OD (MM) 14.122
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2608

ID (MM) 3.277
OD (MM) 14.199
Thickness (MM) 0.737
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2609

ID (MM) 3.277
OD (MM) 14.249
Thickness (MM) 0.94
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2610

ID (MM) 3.277
OD (MM) 15.748
Thickness (MM) 2.362
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2611

ID (MM) 3.277
OD (MM) 25.4
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2612

ID (MM) 3.277
OD (MM) 25.425
Thickness (MM) 1.626
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2613

ID (MM) 3.277
OD (MM) 38.125
Thickness (MM) 0.457
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2614

ID (MM) 3.302
OD (MM) 5.105
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2615

ID (MM) 3.302
OD (MM) 6.248
Thickness (MM) 0.076
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2616

ID (MM) 3.302
OD (MM) 6.35
Thickness (MM) 0.279
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2617

ID (MM) 3.302
OD (MM) 6.401
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2618

ID (MM) 3.302
OD (MM) 6.426
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2619

ID (MM) 3.302
OD (MM) 6.731
Thickness (MM) 0.483
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2620

ID (MM) 3.302
OD (MM) 7.112
Thickness (MM) 0.533
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2621

ID (MM) 3.302
OD (MM) 7.518
Thickness (MM) 1.143
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2622

ID (MM) 3.302
OD (MM) 7.645
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2623

ID (MM) 3.302
OD (MM) 7.925
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2624

ID (MM) 3.302
OD (MM) 7.925
Thickness (MM) 1.854
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2625

ID (MM) 3.302
OD (MM) 8.153
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2626

ID (MM) 3.302
OD (MM) 9.576
Thickness (MM) 1.245
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2627

ID (MM) 3.302
OD (MM) 9.728
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2628

ID (MM) 3.302
OD (MM) 9.804
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2629

ID (MM) 3.302
OD (MM) 14.148
Thickness (MM) 1.219
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-2630

ID (MM) 3.327
OD (MM) 4.597
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity