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

300-1977-053

ID 0.395
OD 1.25
Thickness 0.053
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1978-117

ID 0.395
OD 1.44
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1979-016

ID 0.397
OD 0.686
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-198-016

ID 0.106
OD 0.259
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1980-020

ID 0.397
OD 0.748
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1981-010

ID 0.398
OD 0.748
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1982-031

ID 0.398
OD 0.551
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1983-010

ID 0.398
OD 0.561
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1984-016

ID 0.398
OD 0.561
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1985-010

ID 0.398
OD 0.606
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1986-020

ID 0.398
OD 1.077
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1987-010

ID 0.399
OD 0.456
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1988-010

ID 0.399
OD 0.484
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1989-005

ID 0.399
OD 0.495
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-199-020

ID 0.106
OD 0.275
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1990-027

ID 0.399
OD 0.533
Thickness 0.027
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1991-030

ID 0.399
OD 0.625
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1992-060

ID 0.399
OD 0.639
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1993-010

ID 0.399
OD 0.994
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1994-075

ID 0.401
OD 0.752
Thickness 0.075
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1995-075

ID 0.401
OD 0.803
Thickness 0.075
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1996-029

ID 0.402
OD 0.625
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1997-032

ID 0.402
OD 0.685
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1998-032

ID 0.403
OD 0.455
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1999-003

ID 0.403
OD 0.552
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-20-025

ID 0.0
OD 0.307
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-200-030

ID 0.106
OD 0.315
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2000-063

ID 0.403
OD 0.999
Thickness 0.063
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2001-005

ID 0.404
OD 0.543
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2002-010

ID 0.404
OD 0.562
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2003-016

ID 0.404
OD 0.658
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2004-005

ID 0.404
OD 0.998
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2005-079

ID 0.405
OD 0.749
Thickness 0.079
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2006-005

ID 0.407
OD 0.561
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2007-028

ID 0.407
OD 0.608
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2008-010

ID 0.407
OD 0.623
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2009-030

ID 0.407
OD 0.623
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-201-026

ID 0.106
OD 0.5
Thickness 0.026
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2010-003

ID 0.407
OD 0.998
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2011-180

ID 0.407
OD 1.184
Thickness 0.18
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2012-130

ID 0.407
OD 2.001
Thickness 0.13
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2013-005

ID 0.408
OD 0.468
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2014-010

ID 0.408
OD 0.532
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2015-056

ID 0.408
OD 0.54
Thickness 0.056
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2016-056

ID 0.408
OD 0.683
Thickness 0.056
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2017-036

ID 0.408
OD 0.735
Thickness 0.036
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2018-120

ID 0.408
OD 0.75
Thickness 0.12
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2019-029

ID 0.408
OD 0.803
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-202-030

ID 0.107
OD 0.375
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2020-089

ID 0.408
OD 1.247
Thickness 0.089
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity