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

300-4624-031

ID 0.5
OD 0.687
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4625-059

ID 0.251
OD 0.688
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4626-015

ID 0.171
OD 0.217
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4627-025

ID 0.122
OD 0.278
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4628-015

ID 0.199
OD 0.354
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4629-018

ID 0.153
OD 0.227
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-463-015

ID 0.148
OD 0.341
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4630-057

ID 0.16
OD 0.375
Thickness 0.057
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4631-046

ID 0.195
OD 1.001
Thickness 0.046
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4632-046

ID 0.439
OD 1.001
Thickness 0.046
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4633-179

ID 0.527
OD 1.121
Thickness 0.179
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4634-031

ID 0.562
OD 1.251
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4635-074

ID 0.688
OD 1.495
Thickness 0.074
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4636-024

ID 0.064
OD 0.123
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4637-017

ID 0.108
OD 0.215
Thickness 0.017
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4638-020

ID 0.094
OD 0.218
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4639-061

ID 0.258
OD 0.463
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-464-062

ID 0.148
OD 0.38
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4640-089

ID 0.629
OD 0.998
Thickness 0.089
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4641-115

ID 0.53
OD 1.126
Thickness 0.115
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4642-038

ID 1.188
OD 1.647
Thickness 0.038
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4643-141

ID 1.529
OD 2.496
Thickness 0.141
Material Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

300-4644-028

ID 0.146
OD 0.449
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4645-060

ID 0.187
OD 0.748
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4646-029

ID 0.163
OD 0.309
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4647-018

ID 0.137
OD 0.311
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4648-050

ID 0.19
OD 0.373
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4649-060

ID 0.259
OD 0.38
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-465-078

ID 0.148
OD 0.568
Thickness 0.078
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4650-031

ID 0.126
OD 0.5
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4651-041

ID 0.204
OD 0.624
Thickness 0.041
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4652-058

ID 0.377
OD 0.625
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4653-102

ID 0.0
OD 0.627
Thickness 0.102
Material Stainless Steel
ID TOL
OD TOL +-.005
Quantity

300-4654-057

ID 0.197
OD 0.654
Thickness 0.057
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4655-040

ID 0.205
OD 0.744
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4656-060

ID 0.19
OD 0.747
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4657-028

ID 0.382
OD 0.811
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4658-060

ID 0.408
OD 0.812
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4659-116

ID 0.501
OD 0.935
Thickness 0.116
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-466-048

ID 0.148
OD 0.62
Thickness 0.048
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4660-073

ID 0.532
OD 0.998
Thickness 0.073
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4661-116

ID 0.521
OD 1.0
Thickness 0.116
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4662-088

ID 0.534
OD 1.248
Thickness 0.088
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4663-059

ID 0.202
OD 1.311
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4664-091

ID 0.204
OD 1.374
Thickness 0.091
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4665-106

ID 0.564
OD 1.375
Thickness 0.106
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4666-028

ID 0.13
OD 0.22
Thickness 0.028
Material Stainless Steel
ID TOL +_.005
OD TOL +-.005
Quantity

300-4667-007

ID 0.181
OD 0.232
Thickness 0.007
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4668-015

ID 0.142
OD 0.238
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4669-005

ID 0.168
OD 0.246
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity