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

300-3447-032

ID 0.688
OD 1.247
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3448-047

ID 1.013
OD 1.3
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3449-005

ID 0.316
OD 0.438
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-345-003

ID 0.13
OD 0.246
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3450-031

ID 0.158
OD 0.748
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3451-045

ID 0.283
OD 0.999
Thickness 0.045
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3452-156

ID 1.44
OD 2.186
Thickness 0.16
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3453-025

ID 0.512
OD 0.857
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3454-060

ID 0.346
OD 2.0
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3456-040

ID 0.206
OD 0.406
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3457-040

ID 0.174
OD 0.407
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3458-060

ID 0.221
OD 0.438
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3459-030

ID 0.191
OD 0.501
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-346-015

ID 0.13
OD 0.253
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3460-050

ID 0.506
OD 0.753
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3461-060

ID 0.754
OD 1.022
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3462-010

ID 0.537
OD 1.14
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3463-103

ID 0.602
OD 1.308
Thickness 0.103
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3464-120

ID 0.318
OD 1.749
Thickness 0.12
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3465-030

ID 2.278
OD 3.001
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3466-020

ID 0.063
OD 0.125
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3467-010

ID 0.141
OD 0.184
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3468-030

ID 0.129
OD 0.185
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3469-046

ID 0.0
OD 0.243
Thickness 0.046
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-347-021

ID 0.13
OD 0.28
Thickness 0.021
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3470-003

ID 0.205
OD 0.245
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3471-031

ID 0.141
OD 0.283
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3472-015

ID 0.201
OD 0.311
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3473-030

ID 0.131
OD 0.313
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3474-007

ID 0.264
OD 0.371
Thickness 0.007
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3475-005

ID 0.253
OD 0.374
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3476-020

ID 0.318
OD 0.422
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3477-020

ID 0.318
OD 0.428
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3478-045

ID 0.158
OD 0.436
Thickness 0.045
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3479-060

ID 0.22
OD 0.498
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-348-025

ID 0.13
OD 0.312
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3480-040

ID 0.205
OD 0.5
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3480-047

ID 0.205
OD 0.5
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3481-072

ID 0.283
OD 0.5
Thickness 0.072
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3482-005

ID 0.316
OD 0.5
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3483-016

ID 0.377
OD 0.562
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3484-040

ID 0.214
OD 0.581
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3485-060

ID 0.337
OD 0.623
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3486-078

ID 0.343
OD 0.686
Thickness 0.078
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3487-046

ID 0.502
OD 0.69
Thickness 0.046
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3488-018

ID 0.462
OD 0.75
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3489-102

ID 0.517
OD 0.929
Thickness 0.102
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-349-059

ID 0.13
OD 0.321
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3490-078

ID 0.606
OD 1.164
Thickness 0.078
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3491-060

ID 0.254
OD 2.185
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity