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

300-3418-090

ID 0.531
OD 1.125
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3418-125

ID 0.531
OD 1.125
Thickness 0.125
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3419-031

ID 0.531
OD 1.25
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3419-060

ID 0.531
OD 1.25
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3419-090

ID 0.531
OD 1.25
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3419-125

ID 0.531
OD 1.25
Thickness 0.125
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-342-064

ID 0.129
OD 1.001
Thickness 0.064
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3420-031

ID 0.531
OD 1.375
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3420-060

ID 0.531
OD 1.375
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3420-090

ID 0.531
OD 1.375
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3420-125

ID 0.531
OD 1.375
Thickness 0.125
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3421-031

ID 0.531
OD 1.5
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3421-060

ID 0.531
OD 1.5
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3421-090

ID 0.531
OD 1.5
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3421-125

ID 0.531
OD 1.5
Thickness 0.125
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3422-031

ID 0.531
OD 1.625
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3422-060

ID 0.531
OD 1.625
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3422-090

ID 0.531
OD 1.625
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3422-125

ID 0.531
OD 1.625
Thickness 0.125
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3423-031

ID 0.531
OD 1.75
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3423-060

ID 0.531
OD 1.75
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3423-090

ID 0.531
OD 1.75
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3423-125

ID 0.531
OD 1.75
Thickness 0.125
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3424-031

ID 0.531
OD 1.875
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3424-060

ID 0.531
OD 1.875
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3424-090

ID 0.531
OD 1.875
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3424-125

ID 0.531
OD 1.875
Thickness 0.125
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3425-031

ID 0.531
OD 2.0
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3425-060

ID 0.531
OD 2.0
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3425-090

ID 0.531
OD 2.0
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3425-125

ID 0.531
OD 2.0
Thickness 0.125
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-343-018

ID 0.129
OD 1.501
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3431-020

ID 0.061
OD 0.125
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3432-022

ID 0.226
OD 0.293
Thickness 0.022
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3433-005

ID 0.187
OD 0.362
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3434-012

ID 0.254
OD 0.373
Thickness 0.012
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3435-045

ID 0.221
OD 0.5
Thickness 0.045
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3436-050

ID 0.267
OD 0.623
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3437-060

ID 0.319
OD 0.735
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3438-030

ID 0.15
OD 0.796
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3439-090

ID 0.672
OD 1.247
Thickness 0.092
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-344-005

ID 0.13
OD 0.201
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3440-040

ID 1.113
OD 1.309
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3441-120

ID 0.529
OD 1.495
Thickness 0.12
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3442-102

ID 0.506
OD 1.623
Thickness 0.102
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3443-134

ID 1.392
OD 2.5
Thickness 0.134
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3444-040

ID 0.251
OD 0.5
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3445-005

ID 0.0
OD 0.734
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3445-020

ID 0.0
OD 0.734
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3446-050

ID 0.508
OD 0.757
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity