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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 24351–24400 of 25,000+ products

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

630-5381

ID (MM) 8.128
OD (MM) 9.982
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5382

ID (MM) 8.128
OD (MM) 10.211
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5383

ID (MM) 8.128
OD (MM) 10.82
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5384

ID (MM) 8.128
OD (MM) 12.573
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5385

ID (MM) 8.128
OD (MM) 12.573
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5386

ID (MM) 8.128
OD (MM) 12.675
Thickness (MM) 0.94
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5387

ID (MM) 8.128
OD (MM) 14.275
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5388

ID (MM) 8.128
OD (MM) 15.037
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5389

ID (MM) 8.128
OD (MM) 25.4
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5390

ID (MM) 8.128
OD (MM) 27.381
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5391

ID (MM) 8.128
OD (MM) 31.242
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5392

ID (MM) 8.153
OD (MM) 10.16
Thickness (MM) 0.102
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5393

ID (MM) 8.153
OD (MM) 10.236
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5394

ID (MM) 8.153
OD (MM) 10.262
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5395

ID (MM) 8.153
OD (MM) 10.668
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5396

ID (MM) 8.153
OD (MM) 10.693
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5397

ID (MM) 8.153
OD (MM) 11.379
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5398

ID (MM) 8.153
OD (MM) 12.522
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5399

ID (MM) 8.153
OD (MM) 12.522
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5400

ID (MM) 8.153
OD (MM) 12.573
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5401

ID (MM) 8.153
OD (MM) 13.233
Thickness (MM) 1.118
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5402

ID (MM) 8.153
OD (MM) 14.224
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5403

ID (MM) 8.153
OD (MM) 15.773
Thickness (MM) 1.194
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5404

ID (MM) 8.153
OD (MM) 15.875
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5405

ID (MM) 8.179
OD (MM) 10.922
Thickness (MM) 0.864
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5406

ID (MM) 8.179
OD (MM) 15.773
Thickness (MM) 1.194
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5407

ID (MM) 8.179
OD (MM) 18.263
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5408

ID (MM) 8.179
OD (MM) 18.974
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5409

ID (MM) 8.179
OD (MM) 19.025
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5410

ID (MM) 8.179
OD (MM) 19.075
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5411

ID (MM) 8.179
OD (MM) 20.625
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5412

ID (MM) 8.179
OD (MM) 21.692
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5413

ID (MM) 8.204
OD (MM) 13.995
Thickness (MM) 0.94
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5414

ID (MM) 8.23
OD (MM) 9.931
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5415

ID (MM) 8.23
OD (MM) 18.999
Thickness (MM) 0.406
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5416

ID (MM) 8.28
OD (MM) 10.338
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5417

ID (MM) 8.28
OD (MM) 20.599
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5418

ID (MM) 8.28
OD (MM) 21.92
Thickness (MM) 4.674
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5419

ID (MM) 8.306
OD (MM) 15.875
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5420

ID (MM) 8.306
OD (MM) 17.501
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5421

ID (MM) 8.306
OD (MM) 23.774
Thickness (MM) 1.448
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5422

ID (MM) 8.306
OD (MM) 25.349
Thickness (MM) 0.356
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5423

ID (MM) 8.331
OD (MM) 10.77
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5424

ID (MM) 8.331
OD (MM) 13.945
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5425

ID (MM) 8.331
OD (MM) 14.224
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5426

ID (MM) 8.331
OD (MM) 14.249
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5427

ID (MM) 8.331
OD (MM) 15.85
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5428

ID (MM) 8.331
OD (MM) 15.875
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5429

ID (MM) 8.331
OD (MM) 18.745
Thickness (MM) 1.499
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-5430

ID (MM) 8.357
OD (MM) 17.501
Thickness (MM) 0.838
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity