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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 22651–22700 of 25,000+ products

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

630-3681

ID (MM) 4.877
OD (MM) 25.324
Thickness (MM) 3.023
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3682

ID (MM) 4.877
OD (MM) 25.4
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3683

ID (MM) 4.902
OD (MM) 5.994
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3684

ID (MM) 4.902
OD (MM) 5.994
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3685

ID (MM) 4.902
OD (MM) 6.274
Thickness (MM) 0.457
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3686

ID (MM) 4.902
OD (MM) 6.35
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3687

ID (MM) 4.902
OD (MM) 6.375
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3688

ID (MM) 4.902
OD (MM) 6.629
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3689

ID (MM) 4.902
OD (MM) 6.655
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3690

ID (MM) 4.902
OD (MM) 7.036
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3691

ID (MM) 4.902
OD (MM) 7.112
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3692

ID (MM) 4.902
OD (MM) 7.391
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3693

ID (MM) 4.902
OD (MM) 7.62
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3694

ID (MM) 4.902
OD (MM) 7.849
Thickness (MM) 0.203
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3695

ID (MM) 4.902
OD (MM) 7.899
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3696

ID (MM) 4.902
OD (MM) 7.925
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3697

ID (MM) 4.902
OD (MM) 8.001
Thickness (MM) 0.991
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3698

ID (MM) 4.902
OD (MM) 8.153
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3699

ID (MM) 4.902
OD (MM) 9.525
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3700

ID (MM) 4.902
OD (MM) 9.525
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3701

ID (MM) 4.902
OD (MM) 10.008
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3702

ID (MM) 4.902
OD (MM) 10.262
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3703

ID (MM) 4.902
OD (MM) 11.049
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3704

ID (MM) 4.928
OD (MM) 8.56
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3705

ID (MM) 4.928
OD (MM) 8.712
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3706

ID (MM) 4.928
OD (MM) 10.82
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3707

ID (MM) 4.928
OD (MM) 11.1
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3708

ID (MM) 4.928
OD (MM) 11.1
Thickness (MM) 0.965
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3709

ID (MM) 4.928
OD (MM) 11.1
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3710

ID (MM) 4.928
OD (MM) 12.141
Thickness (MM) 0.076
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3711

ID (MM) 4.928
OD (MM) 12.217
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3712

ID (MM) 4.928
OD (MM) 12.7
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3713

ID (MM) 4.928
OD (MM) 12.7
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3714

ID (MM) 4.928
OD (MM) 12.7
Thickness (MM) 1.118
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3715

ID (MM) 4.928
OD (MM) 12.7
Thickness (MM) 1.549
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3716

ID (MM) 4.928
OD (MM) 13.462
Thickness (MM) 1.041
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3717

ID (MM) 4.928
OD (MM) 13.767
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3718

ID (MM) 4.928
OD (MM) 14.3
Thickness (MM) 1.245
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3719

ID (MM) 4.928
OD (MM) 15.799
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3720

ID (MM) 4.928
OD (MM) 15.926
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3721

ID (MM) 4.928
OD (MM) 16.256
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3722

ID (MM) 4.928
OD (MM) 17.45
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3723

ID (MM) 4.928
OD (MM) 18.364
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3724

ID (MM) 4.928
OD (MM) 23.8
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3725

ID (MM) 4.928
OD (MM) 38.049
Thickness (MM) 1.473
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3726

ID (MM) 4.953
OD (MM) 6.35
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3727

ID (MM) 4.953
OD (MM) 6.629
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3728

ID (MM) 4.953
OD (MM) 6.807
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3729

ID (MM) 4.953
OD (MM) 7.391
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-3730

ID (MM) 4.953
OD (MM) 7.925
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity