Home | 301/302/304 Stainless Steel Flat Washers - Corrosion-Resistant Washers

301/302/304 Stainless Steel Flat Washers - Corrosion-Resistant Washers

Stainless steel flat washers in 301, 302, and 304 grades provide excellent corrosion resistance, strength, and aesthetic quality for fastener assemblies across marine, food processing, pharmaceutical, architectural, and industrial applications. Superior Washer & Gasket Corp manufactures 300-series stainless steel flat washers in a broad range of standard and custom sizes.

Our ISO 9001:2015 certified manufacturing facility supplies stainless steel washers from stock inventory and produces custom stainless flat washers with tight dimensional tolerances. All stainless steel washers are made in the U.S.A. with material certifications available for regulated applications.

  • 301, 302, and 304 stainless steel grades available
  • Broad standard size inventory for fast delivery
  • Custom stainless steel flat washers to specification
  • ISO 9001:2015 certified quality assurance
  • Made in the U.S.A.; certifications available
SKU ID OD Thickness Material ID TOL OD TOL Quantity

300-702-031

ID 0.183
OD 0.329
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-703-031

ID 0.183
OD 0.355
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-704-015

ID 0.183
OD 0.365
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-705-005

ID 0.183
OD 0.372
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-706-010

ID 0.184
OD 0.231
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-707-025

ID 0.184
OD 0.578
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-708-010

ID 0.185
OD 0.25
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-709-032

ID 0.185
OD 0.28
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-71-004

ID 0.063
OD 0.247
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-710-026

ID 0.185
OD 0.309
Thickness 0.026
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-711-030

ID 0.185
OD 0.312
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-712-049

ID 0.185
OD 0.32
Thickness 0.049
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-713-005

ID 0.186
OD 0.437
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-714-062

ID 0.186
OD 0.469
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-715-062

ID 0.186
OD 0.5
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-716-005

ID 0.187
OD 0.373
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-717-020

ID 0.187
OD 0.374
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-718-058

ID 0.187
OD 0.623
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-719-002

ID 0.188
OD 0.246
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-719-005

ID 0.188
OD 0.246
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-72-016

ID 0.063
OD 0.25
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-720-015

ID 0.188
OD 0.249
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-721-010

ID 0.188
OD 0.252
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-722-006

ID 0.188
OD 0.261
Thickness 0.006
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-723-010

ID 0.188
OD 0.261
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-724-005

ID 0.188
OD 0.28
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-725-020

ID 0.188
OD 0.283
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-726-031

ID 0.188
OD 0.295
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-727-025

ID 0.188
OD 0.3
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-728-002

ID 0.188
OD 0.309
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-729-031

ID 0.188
OD 0.312
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-73-016

ID 0.063
OD 0.311
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-730-010

ID 0.188
OD 0.377
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-731-063

ID 0.188
OD 0.407
Thickness 0.063
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-732-035

ID 0.188
OD 0.626
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-733-058

ID 0.188
OD 1.714
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-734-005

ID 0.189
OD 0.34
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-735-005

ID 0.189
OD 0.367
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-736-010

ID 0.189
OD 0.367
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-737-048

ID 0.189
OD 0.393
Thickness 0.048
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-738-005

ID 0.189
OD 0.56
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-739-030

ID 0.189
OD 0.588
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-74-035

ID 0.064
OD 0.561
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-740-010

ID 0.189
OD 0.623
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-741-034

ID 0.189
OD 1.0
Thickness 0.034
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-742-041

ID 0.189
OD 1.03
Thickness 0.041
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-743-049

ID 0.189
OD 1.121
Thickness 0.049
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-744-019

ID 0.189
OD 1.251
Thickness 0.019
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-745-062

ID 0.189
OD 1.5
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-746-002

ID 0.19
OD 0.22
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity