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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 1801–1850 of 25,000+ products

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

260-3658

ID (MM) 12.014
OD (MM) 23.8
Thickness (MM) 3.023
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3659

ID (MM) 12.243
OD (MM) 17.399
Thickness (MM) 2.21
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3660

ID (MM) 12.446
OD (MM) 18.796
Thickness (MM) 2.387
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3661

ID (MM) 12.573
OD (MM) 20.498
Thickness (MM) 2.603
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3662

ID (MM) 12.624
OD (MM) 22.225
Thickness (MM) 2.823
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3663

ID (MM) 12.7
OD (MM) 19.05
Thickness (MM) 2.419
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3664

ID (MM) 12.7
OD (MM) 23.038
Thickness (MM) 2.926
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3665

ID (MM) 12.7
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3666

ID (MM) 12.7
OD (MM) 38.024
Thickness (MM) 4.829
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3667

ID (MM) 12.7
OD (MM) 38.1
Thickness (MM) 4.839
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3668

ID (MM) 12.827
OD (MM) 17.45
Thickness (MM) 2.216
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3669

ID (MM) 12.827
OD (MM) 19.05
Thickness (MM) 2.419
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3670

ID (MM) 12.827
OD (MM) 20.625
Thickness (MM) 2.619
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3671

ID (MM) 12.827
OD (MM) 22.225
Thickness (MM) 2.823
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3672

ID (MM) 12.827
OD (MM) 22.911
Thickness (MM) 2.91
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3673

ID (MM) 12.878
OD (MM) 15.9
Thickness (MM) 2.019
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3674

ID (MM) 12.929
OD (MM) 17.399
Thickness (MM) 2.21
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3675

ID (MM) 12.954
OD (MM) 17.45
Thickness (MM) 2.216
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3676

ID (MM) 12.954
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3677

ID (MM) 13.081
OD (MM) 16.662
Thickness (MM) 2.116
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3678

ID (MM) 13.081
OD (MM) 19.05
Thickness (MM) 2.419
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3679

ID (MM) 13.081
OD (MM) 21.082
Thickness (MM) 2.677
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3680

ID (MM) 13.081
OD (MM) 22.225
Thickness (MM) 2.823
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3681

ID (MM) 13.081
OD (MM) 22.987
Thickness (MM) 2.919
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3682

ID (MM) 13.081
OD (MM) 23.851
Thickness (MM) 3.029
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3683

ID (MM) 13.081
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3684

ID (MM) 13.081
OD (MM) 26.975
Thickness (MM) 3.426
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3685

ID (MM) 13.081
OD (MM) 28.575
Thickness (MM) 3.629
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3686

ID (MM) 13.208
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3687

ID (MM) 13.335
OD (MM) 18.415
Thickness (MM) 2.339
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3688

ID (MM) 13.335
OD (MM) 18.542
Thickness (MM) 2.355
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3689

ID (MM) 13.335
OD (MM) 22.225
Thickness (MM) 2.823
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3690

ID (MM) 13.335
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3691

ID (MM) 13.462
OD (MM) 19.025
Thickness (MM) 2.416
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3692

ID (MM) 13.487
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3693

ID (MM) 13.487
OD (MM) 26.975
Thickness (MM) 3.426
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3694

ID (MM) 13.487
OD (MM) 31.09
Thickness (MM) 3.948
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3695

ID (MM) 13.487
OD (MM) 34.925
Thickness (MM) 4.435
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3696

ID (MM) 13.564
OD (MM) 44.552
Thickness (MM) 5.658
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3697

ID (MM) 13.843
OD (MM) 18.237
Thickness (MM) 2.316
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3698

ID (MM) 14.275
OD (MM) 17.475
Thickness (MM) 2.219
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3699

ID (MM) 14.275
OD (MM) 22.225
Thickness (MM) 2.823
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3700

ID (MM) 14.275
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3701

ID (MM) 14.275
OD (MM) 31.75
Thickness (MM) 4.032
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3702

ID (MM) 14.275
OD (MM) 38.1
Thickness (MM) 4.839
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3703

ID (MM) 14.453
OD (MM) 19.05
Thickness (MM) 2.419
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3704

ID (MM) 14.453
OD (MM) 22.225
Thickness (MM) 2.823
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3705

ID (MM) 14.453
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3706

ID (MM) 14.453
OD (MM) 28.575
Thickness (MM) 3.629
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3707

ID (MM) 14.453
OD (MM) 31.75
Thickness (MM) 4.032
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity