Home | Flat Washers in Every Size, Material & Tolerance

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 1551–1600 of 25,000+ products

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

260-3408

ID (MM) 5.08
OD (MM) 9.119
Thickness (MM) 1.158
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3409

ID (MM) 5.08
OD (MM) 9.525
Thickness (MM) 1.21
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3410

ID (MM) 5.08
OD (MM) 10.82
Thickness (MM) 1.374
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3411

ID (MM) 5.08
OD (MM) 11.1
Thickness (MM) 1.41
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3412

ID (MM) 5.08
OD (MM) 11.684
Thickness (MM) 1.484
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3413

ID (MM) 5.08
OD (MM) 12.7
Thickness (MM) 1.613
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3414

ID (MM) 5.08
OD (MM) 12.751
Thickness (MM) 1.619
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3415

ID (MM) 5.08
OD (MM) 14.275
Thickness (MM) 1.813
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3416

ID (MM) 5.08
OD (MM) 15.875
Thickness (MM) 2.016
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3417

ID (MM) 5.08
OD (MM) 18.644
Thickness (MM) 2.368
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3418

ID (MM) 5.08
OD (MM) 19.05
Thickness (MM) 2.419
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3419

ID (MM) 5.105
OD (MM) 9.5
Thickness (MM) 1.207
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3420

ID (MM) 5.156
OD (MM) 9.017
Thickness (MM) 1.145
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3421

ID (MM) 5.156
OD (MM) 11.862
Thickness (MM) 1.506
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3422

ID (MM) 5.156
OD (MM) 12.7
Thickness (MM) 1.613
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3423

ID (MM) 5.207
OD (MM) 7.925
Thickness (MM) 1.006
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3424

ID (MM) 5.283
OD (MM) 6.985
Thickness (MM) 0.887
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3425

ID (MM) 5.283
OD (MM) 7.645
Thickness (MM) 0.971
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3426

ID (MM) 5.283
OD (MM) 7.925
Thickness (MM) 1.006
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3427

ID (MM) 5.283
OD (MM) 9.525
Thickness (MM) 1.21
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3428

ID (MM) 5.283
OD (MM) 11.1
Thickness (MM) 1.41
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3429

ID (MM) 5.283
OD (MM) 12.7
Thickness (MM) 1.613
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3430

ID (MM) 5.283
OD (MM) 15.875
Thickness (MM) 2.016
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3431

ID (MM) 5.283
OD (MM) 19.05
Thickness (MM) 2.419
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3432

ID (MM) 5.563
OD (MM) 7.925
Thickness (MM) 1.006
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3433

ID (MM) 5.563
OD (MM) 9.525
Thickness (MM) 1.21
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3434

ID (MM) 5.563
OD (MM) 10.871
Thickness (MM) 1.381
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3435

ID (MM) 5.563
OD (MM) 11.1
Thickness (MM) 1.41
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3436

ID (MM) 5.563
OD (MM) 12.7
Thickness (MM) 1.613
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3437

ID (MM) 5.563
OD (MM) 15.875
Thickness (MM) 2.016
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3438

ID (MM) 5.563
OD (MM) 19.05
Thickness (MM) 2.419
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3439

ID (MM) 5.715
OD (MM) 7.925
Thickness (MM) 1.006
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3440

ID (MM) 5.715
OD (MM) 8.89
Thickness (MM) 1.129
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3441

ID (MM) 5.715
OD (MM) 9.525
Thickness (MM) 1.21
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3442

ID (MM) 5.715
OD (MM) 11.1
Thickness (MM) 1.41
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3443

ID (MM) 5.715
OD (MM) 12.7
Thickness (MM) 1.613
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3444

ID (MM) 5.715
OD (MM) 19.05
Thickness (MM) 2.419
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3445

ID (MM) 5.791
OD (MM) 11.074
Thickness (MM) 1.406
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3446

ID (MM) 5.842
OD (MM) 16.256
Thickness (MM) 2.065
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3447

ID (MM) 5.944
OD (MM) 7.925
Thickness (MM) 1.006
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3448

ID (MM) 5.944
OD (MM) 9.652
Thickness (MM) 1.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3449

ID (MM) 5.994
OD (MM) 16.408
Thickness (MM) 2.084
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3450

ID (MM) 6.096
OD (MM) 15.875
Thickness (MM) 2.016
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3451

ID (MM) 6.096
OD (MM) 25.4
Thickness (MM) 3.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3452

ID (MM) 6.121
OD (MM) 12.649
Thickness (MM) 1.606
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3453

ID (MM) 6.223
OD (MM) 11.938
Thickness (MM) 1.516
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3454

ID (MM) 6.248
OD (MM) 9.652
Thickness (MM) 1.226
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3455

ID (MM) 6.248
OD (MM) 38.176
Thickness (MM) 4.848
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3456

ID (MM) 6.375
OD (MM) 9.474
Thickness (MM) 1.203
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

260-3457

ID (MM) 6.426
OD (MM) 7.925
Thickness (MM) 1.006
Material Nylon
ID MM TOL 0.127
OD MM TOL 0.127
Quantity