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 23101–23150 of 25,000+ products

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

630-4131

ID (MM) 5.486
OD (MM) 25.502
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4132

ID (MM) 5.486
OD (MM) 34.925
Thickness (MM) 1.575
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4133

ID (MM) 5.512
OD (MM) 9.068
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4134

ID (MM) 5.512
OD (MM) 14.199
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4135

ID (MM) 5.537
OD (MM) 7.925
Thickness (MM) 0.813
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4136

ID (MM) 5.537
OD (MM) 8.636
Thickness (MM) 0.152
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4137

ID (MM) 5.537
OD (MM) 8.687
Thickness (MM) 0.762
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4138

ID (MM) 5.537
OD (MM) 8.814
Thickness (MM) 0.279
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4139

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4140

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4141

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4142

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4143

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4144

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4145

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4146

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4147

ID (MM) 5.537
OD (MM) 9.525
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4148

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4149

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4150

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4151

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4152

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4153

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4154

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4155

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4156

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4157

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4158

ID (MM) 5.537
OD (MM) 11.1
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4159

ID (MM) 5.537
OD (MM) 11.328
Thickness (MM) 0.305
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4160

ID (MM) 5.537
OD (MM) 11.913
Thickness (MM) 0.025
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4161

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4162

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4163

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4164

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4165

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4166

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4167

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 1.016
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4168

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 1.27
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4169

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 1.524
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4170

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 1.981
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4171

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 2.286
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4172

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 2.54
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4173

ID (MM) 5.537
OD (MM) 12.7
Thickness (MM) 3.175
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4174

ID (MM) 5.537
OD (MM) 14.275
Thickness (MM) 0.127
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4175

ID (MM) 5.537
OD (MM) 14.275
Thickness (MM) 0.254
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4176

ID (MM) 5.537
OD (MM) 14.275
Thickness (MM) 0.381
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4177

ID (MM) 5.537
OD (MM) 14.275
Thickness (MM) 0.508
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4178

ID (MM) 5.537
OD (MM) 14.275
Thickness (MM) 0.635
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4179

ID (MM) 5.537
OD (MM) 14.275
Thickness (MM) 0.787
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity

630-4180

ID (MM) 5.537
OD (MM) 14.275
Thickness (MM) 0.965
Material Stainless Steel
ID MM TOL 0.127
OD MM TOL 0.127
Quantity