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

300-4804-088

ID 1.255
OD 1.751
Thickness 0.088
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4805-058

ID 1.312
OD 1.935
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4806-118

ID 0.439
OD 1.983
Thickness 0.118
Material Stainless Steel
ID TOL +-.005
OD TOL +-.010
Quantity

300-4807-106

ID 1.065
OD 1.994
Thickness 0.106
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4808-058

ID 0.251
OD 0.628
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4809-031

ID 0.453
OD 0.714
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-481-032

ID 0.15
OD 0.277
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4810-031

ID 1.65
OD 1.804
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4811-081

ID 0.221
OD 2.248
Thickness 0.081
Material Stainless Steel
ID TOL +-.005
OD TOL +-.010
Quantity

300-4812-020

ID 0.127
OD 0.247
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4813-061

ID 0.642
OD 0.9
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4814-100

ID 0.412
OD 1.249
Thickness 0.1
Material Stainless Steel
ID TOL +-.005
OD TOL +-.010
Quantity

300-4815-118

ID 0.415
OD 2.498
Thickness 0.118
Material Stainless Steel
ID TOL +-.005
OD TOL +-.010
Quantity

300-4816-020

ID 0.081
OD 0.124
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4817-016

ID 0.127
OD 0.187
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4818-015

ID 0.155
OD 0.229
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4819-016

ID 0.065
OD 0.25
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-482-031

ID 0.15
OD 0.28
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4820-028

ID 0.129
OD 0.282
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4821-010

ID 0.505
OD 0.62
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4822-061

ID 0.266
OD 0.625
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4823-040

ID 0.173
OD 1.049
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4824-007

ID 0.702
OD 1.053
Thickness 0.007
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4825-034

ID 0.941
OD 1.182
Thickness 0.034
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4826-116

ID 0.351
OD 1.184
Thickness 0.116
Material Stainless Steel
ID TOL +-.005
OD TOL +-.010
Quantity

300-4827-158

ID 0.908
OD 1.746
Thickness 0.158
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4828-164

ID 0.961
OD 1.997
Thickness 0.164
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4829-016

ID 1.782
OD 2.13
Thickness 0.016
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-483-019

ID 0.0
OD 0.292
Thickness 0.019
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4835-047

ID 0.0
OD 0.485
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4836-029

ID 0.044
OD 0.191
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4837-020

ID 0.067
OD 0.129
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4838-010

ID 0.081
OD 0.124
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4839-033

ID 0.097
OD 0.374
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-484-030

ID 0.15
OD 0.31
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4840-020

ID 0.098
OD 0.22
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4841-027

ID 0.107
OD 0.27
Thickness 0.027
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4842-030

ID 0.114
OD 0.246
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4843-058

ID 0.114
OD 0.872
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4844-005

ID 0.123
OD 0.157
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4845-101

ID 0.125
OD 0.535
Thickness 0.101
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4846-040

ID 0.126
OD 0.375
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4847-045

ID 0.13
OD 0.296
Thickness 0.045
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4848-030

ID 0.133
OD 0.498
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4849-059

ID 0.135
OD 0.374
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-485-005

ID 0.15
OD 0.325
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4850-004

ID 0.138
OD 0.241
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4851-015

ID 0.155
OD 0.25
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4852-040

ID 0.155
OD 0.312
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4853-029

ID 0.156
OD 0.36
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity