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

300-2378-085

ID 0.535
OD 1.241
Thickness 0.085
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-238-015

ID 0.117
OD 0.191
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2380-076

ID 0.535
OD 1.25
Thickness 0.076
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2381-090

ID 0.535
OD 1.503
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2382-032

ID 0.535
OD 1.876
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2383-060

ID 0.535
OD 1.878
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2384-059

ID 0.535
OD 2.0
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2385-058

ID 0.535
OD 2.123
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2386-058

ID 0.536
OD 1.5
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2387-087

ID 0.536
OD 1.873
Thickness 0.087
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2388-132

ID 0.536
OD 1.997
Thickness 0.132
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2389-062

ID 0.536
OD 2.252
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-239-035

ID 0.117
OD 0.343
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2390-005

ID 0.537
OD 0.748
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2391-030

ID 0.537
OD 1.0
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2392-030

ID 0.537
OD 1.624
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2393-015

ID 0.538
OD 0.622
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2394-005

ID 0.54
OD 0.618
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2395-010

ID 0.541
OD 0.75
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2396-010

ID 0.541
OD 0.859
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2397-060

ID 0.544
OD 0.725
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2398-060

ID 0.544
OD 0.747
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2399-104

ID 0.55
OD 1.25
Thickness 0.104
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-24-010

ID 0.0
OD 0.367
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-240-038

ID 0.117
OD 0.35
Thickness 0.038
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2400-025

ID 0.557
OD 0.616
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2401-005

ID 0.56
OD 0.621
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2402-188

ID 0.561
OD 1.25
Thickness 0.188
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2403-002

ID 0.562
OD 1.045
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2404-073

ID 0.562
OD 1.25
Thickness 0.073
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2405-109

ID 0.562
OD 1.374
Thickness 0.109
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2406-030

ID 0.562
OD 1.624
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2407-187

ID 0.562
OD 1.625
Thickness 0.187
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2408-010

ID 0.563
OD 0.743
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2409-002

ID 0.563
OD 0.748
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-241-003

ID 0.117
OD 0.372
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2410-010

ID 0.563
OD 0.904
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2411-031

ID 0.563
OD 0.996
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2412-102

ID 0.563
OD 1.247
Thickness 0.102
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2413-184

ID 0.563
OD 1.248
Thickness 0.184
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2414-010

ID 0.563
OD 1.249
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2415-010

ID 0.563
OD 1.292
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2416-030

ID 0.563
OD 1.499
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2417-122

ID 0.563
OD 2.0
Thickness 0.122
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2418-015

ID 0.564
OD 0.682
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2419-031

ID 0.564
OD 0.983
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-242-010

ID 0.118
OD 0.175
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2420-076

ID 0.564
OD 0.997
Thickness 0.076
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2421-032

ID 0.564
OD 1.005
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2422-060

ID 0.564
OD 1.093
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity