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

300-476-021

ID 0.15
OD 0.241
Thickness 0.021
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4760-047

ID 0.441
OD 1.003
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4761-005

ID 1.187
OD 1.299
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4762-046

ID 1.223
OD 1.353
Thickness 0.046
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4763-002

ID 1.593
OD 1.735
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4764-102

ID 1.079
OD 1.749
Thickness 0.102
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4765-102

ID 1.252
OD 1.996
Thickness 0.102
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4766-020

ID 0.076
OD 0.184
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4767-004

ID 0.121
OD 0.217
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4768-016

ID 0.093
OD 0.228
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4769-031

ID 0.159
OD 0.311
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-477-012

ID 0.15
OD 0.246
Thickness 0.012
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4770-005

ID 0.255
OD 0.371
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4771-033

ID 0.131
OD 0.375
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4772-018

ID 0.147
OD 0.376
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4773-010

ID 0.104
OD 0.437
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4774-032

ID 0.255
OD 0.439
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4775-061

ID 0.282
OD 0.5
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4776-040

ID 0.19
OD 0.504
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4777-010

ID 0.202
OD 0.566
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4778-020

ID 0.424
OD 0.775
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4779-062

ID 0.388
OD 0.998
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-478-016

ID 0.15
OD 0.255
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4780-057

ID 0.647
OD 1.0
Thickness 0.057
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4781-046

ID 0.437
OD 1.01
Thickness 0.046
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4782-059

ID 0.767
OD 1.117
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4783-047

ID 1.493
OD 1.63
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4784-088

ID 1.252
OD 1.75
Thickness 0.088
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4785-040

ID 1.443
OD 1.951
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4786-061

ID 0.26
OD 1.967
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4787-059

ID 0.409
OD 1.998
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4788-029

ID 1.28
OD 2.063
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4789-024

ID 0.076
OD 0.171
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-479-020

ID 0.15
OD 0.267
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4790-020

ID 0.108
OD 0.191
Thickness 0.02
Material Stainless Steel
ID TOL +_.005
OD TOL +-.005
Quantity

300-4791-005

ID 0.063
OD 0.203
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4792-025

ID 0.195
OD 0.316
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4793-005

ID 0.203
OD 0.401
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4794-024

ID 0.207
OD 0.417
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4795-032

ID 0.26
OD 0.434
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4796-004

ID 0.315
OD 0.499
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4797-040

ID 0.204
OD 0.562
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4798-056

ID 0.323
OD 0.563
Thickness 0.056
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4799-031

ID 0.315
OD 0.58
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-48-013

ID 0.0
OD 1.992
Thickness 0.013
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-480-005

ID 0.15
OD 0.271
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4800-047

ID 0.124
OD 0.695
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4801-028

ID 0.506
OD 0.746
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4802-062

ID 0.764
OD 1.372
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4803-028

ID 1.433
OD 1.617
Thickness 0.028
Material Stainless Steel
ID TOL
OD TOL
Quantity