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

300-3603-048

ID 0.255
OD 0.441
Thickness 0.048
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3604-015

ID 0.356
OD 0.491
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3605-049

ID 0.222
OD 0.5
Thickness 0.049
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3606-088

ID 0.382
OD 0.628
Thickness 0.088
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3607-016

ID 0.324
OD 0.748
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3608-036

ID 0.159
OD 0.75
Thickness 0.036
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-361-028

ID 0.131
OD 0.35
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3610-120

ID 0.268
OD 0.875
Thickness 0.12
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-362-020

ID 0.131
OD 0.37
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-363-016

ID 0.131
OD 0.374
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-364-020

ID 0.132
OD 0.241
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3648-029

ID 0.072
OD 0.187
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3649-011

ID 0.205
OD 0.25
Thickness 0.011
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-365-040

ID 0.132
OD 0.247
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3650-010

ID 0.169
OD 0.268
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3651-030

ID 0.291
OD 0.364
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3652-017

ID 0.319
OD 0.437
Thickness 0.017
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3653-030

ID 0.166
OD 0.469
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3654-030

ID 0.286
OD 0.494
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3655-030

ID 0.157
OD 0.58
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3656-012

ID 0.376
OD 0.501
Thickness 0.012
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3657-002

ID 0.257
OD 0.502
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3658-060

ID 0.226
OD 0.751
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3659-045

ID 0.57
OD 0.76
Thickness 0.045
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-366-015

ID 0.132
OD 0.25
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3660-115

ID 0.471
OD 0.922
Thickness 0.115
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3661-060

ID 0.513
OD 1.121
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3662-115

ID 0.535
OD 1.499
Thickness 0.115
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3663-075

ID 0.769
OD 2.373
Thickness 0.075
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3664-031

ID 1.563
OD 2.405
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3665-030

ID 0.129
OD 0.22
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3666-060

ID 0.128
OD 0.276
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3667-025

ID 0.0
OD 0.286
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3668-031

ID 0.136
OD 0.37
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3669-028

ID 0.318
OD 0.468
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-367-031

ID 0.132
OD 0.252
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3670-030

ID 0.26
OD 0.48
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3671-035

ID 0.22
OD 0.506
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3672-047

ID 0.253
OD 0.562
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3673-061

ID 0.341
OD 0.599
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3674-057

ID 0.384
OD 0.625
Thickness 0.057
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3675-047

ID 0.206
OD 0.687
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3676-049

ID 0.261
OD 0.688
Thickness 0.049
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3677-012

ID 0.514
OD 0.749
Thickness 0.012
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3678-018

ID 0.446
OD 0.84
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3679-134

ID 0.263
OD 0.866
Thickness 0.134
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-368-010

ID 0.132
OD 0.254
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3680-117

ID 0.259
OD 0.874
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3681-117

ID 0.314
OD 0.998
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3682-091

ID 0.613
OD 1.0
Thickness 0.091
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity