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

300-657-034

ID 0.175
OD 0.282
Thickness 0.034
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-658-010

ID 0.175
OD 0.291
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-659-010

ID 0.175
OD 0.296
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-66-036

ID 0.059
OD 0.309
Thickness 0.036
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-660-032

ID 0.175
OD 0.307
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-661-005

ID 0.175
OD 0.311
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-662-025

ID 0.175
OD 0.312
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-663-031

ID 0.175
OD 0.342
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-664-074

ID 0.175
OD 0.352
Thickness 0.074
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-665-020

ID 0.175
OD 0.553
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-666-049

ID 0.175
OD 0.626
Thickness 0.049
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-667-062

ID 0.175
OD 0.875
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-668-030

ID 0.175
OD 1.375
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-669-030

ID 0.176
OD 0.468
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-67-010

ID 0.061
OD 0.139
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-670-030

ID 0.176
OD 0.478
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-671-005

ID 0.176
OD 0.484
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-672-032

ID 0.176
OD 0.56
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-673-062

ID 0.176
OD 0.62
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-674-031

ID 0.177
OD 0.626
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-675-036

ID 0.177
OD 0.627
Thickness 0.036
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-676-005

ID 0.178
OD 0.258
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-677-005

ID 0.178
OD 0.262
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-678-026

ID 0.178
OD 0.265
Thickness 0.026
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-679-035

ID 0.178
OD 0.296
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-68-014

ID 0.063
OD 0.109
Thickness 0.014
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-680-015

ID 0.178
OD 0.303
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-681-050

ID 0.178
OD 0.308
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-682-010

ID 0.178
OD 0.312
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-683-030

ID 0.178
OD 0.373
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-684-040

ID 0.178
OD 0.381
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-685-010

ID 0.178
OD 0.423
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-686-057

ID 0.178
OD 0.56
Thickness 0.057
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-687-006

ID 0.18
OD 0.231
Thickness 0.006
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-688-016

ID 0.18
OD 0.5
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-689-041

ID 0.18
OD 0.5
Thickness 0.041
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-69-030

ID 0.063
OD 0.156
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-690-061

ID 0.18
OD 0.653
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-691-060

ID 0.18
OD 1.001
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-692-075

ID 0.18
OD 1.123
Thickness 0.075
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-693-074

ID 0.18
OD 1.501
Thickness 0.074
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-694-015

ID 0.181
OD 0.238
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-695-003

ID 0.181
OD 0.276
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-696-010

ID 0.181
OD 0.282
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-697-010

ID 0.181
OD 0.312
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-698-032

ID 0.181
OD 0.633
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-699-037

ID 0.181
OD 0.862
Thickness 0.037
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-70-020

ID 0.063
OD 0.241
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-700-037

ID 0.181
OD 0.876
Thickness 0.037
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-701-060

ID 0.181
OD 0.999
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity