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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 24801–24850 of 25,000+ products

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

630-5831

ID (MM) 9.677
OD (MM) 12.573
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5832

ID (MM) 9.677
OD (MM) 12.598
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5833

ID (MM) 9.677
OD (MM) 13.487
Thickness (MM) 0.483
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5834

ID (MM) 9.677
OD (MM) 13.564
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5835

ID (MM) 9.677
OD (MM) 13.741
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5836

ID (MM) 9.677
OD (MM) 15.672
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5837

ID (MM) 9.677
OD (MM) 16.662
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5838

ID (MM) 9.677
OD (MM) 16.688
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5839

ID (MM) 9.677
OD (MM) 16.866
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5840

ID (MM) 9.677
OD (MM) 18.948
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5841

ID (MM) 9.677
OD (MM) 19.101
Thickness (MM) 3.124
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5842

ID (MM) 9.677
OD (MM) 19.863
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5843

ID (MM) 9.677
OD (MM) 31.674
Thickness (MM) 2.311
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5844

ID (MM) 9.677
OD (MM) 21.133
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5845

ID (MM) 9.677
OD (MM) 31.725
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5846

ID (MM) 9.677
OD (MM) 31.75
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5847

ID (MM) 9.703
OD (MM) 12.294
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5848

ID (MM) 9.703
OD (MM) 12.548
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5849

ID (MM) 9.703
OD (MM) 12.573
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5850

ID (MM) 9.703
OD (MM) 12.7
Thickness (MM) 0.457
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5851

ID (MM) 9.703
OD (MM) 15.951
Thickness (MM) 2.235
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5852

ID (MM) 9.703
OD (MM) 16.662
Thickness (MM) 0.102
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5853

ID (MM) 9.703
OD (MM) 17.424
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5854

ID (MM) 9.703
OD (MM) 18.948
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5855

ID (MM) 9.703
OD (MM) 25.197
Thickness (MM) 1.6
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5856

ID (MM) 9.703
OD (MM) 29.337
Thickness (MM) 1.168
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5857

ID (MM) 9.728
OD (MM) 12.497
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5858

ID (MM) 9.728
OD (MM) 14.021
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5859

ID (MM) 9.728
OD (MM) 14.478
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5860

ID (MM) 9.728
OD (MM) 15.672
Thickness (MM) 0.838
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5861

ID (MM) 9.728
OD (MM) 15.697
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5862

ID (MM) 9.728
OD (MM) 15.799
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5863

ID (MM) 9.728
OD (MM) 16.662
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5864

ID (MM) 9.728
OD (MM) 19.05
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5865

ID (MM) 9.728
OD (MM) 22.25
Thickness (MM) 2.21
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5866

ID (MM) 9.728
OD (MM) 31.648
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5867

ID (MM) 9.728
OD (MM) 57.81
Thickness (MM) 2.235
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5868

ID (MM) 9.754
OD (MM) 12.675
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5869

ID (MM) 9.754
OD (MM) 15.24
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5870

ID (MM) 9.754
OD (MM) 15.875
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5871

ID (MM) 9.754
OD (MM) 18.237
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5872

ID (MM) 9.754
OD (MM) 18.237
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5873

ID (MM) 9.754
OD (MM) 18.542
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5874

ID (MM) 9.754
OD (MM) 18.542
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5875

ID (MM) 9.754
OD (MM) 18.974
Thickness (MM) 0.051
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5876

ID (MM) 9.754
OD (MM) 18.974
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5877

ID (MM) 9.754
OD (MM) 19.837
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5878

ID (MM) 9.754
OD (MM) 19.837
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5879

ID (MM) 9.754
OD (MM) 20.498
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5880

ID (MM) 9.754
OD (MM) 20.498
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity