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

300-1846-002

ID 0.378
OD 0.812
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1847-010

ID 0.378
OD 0.812
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1848-031

ID 0.378
OD 0.812
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1849-005

ID 0.378
OD 0.85
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-185-016

ID 0.102
OD 0.138
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1850-010

ID 0.378
OD 0.85
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1851-031

ID 0.378
OD 0.85
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1852-060

ID 0.378
OD 0.861
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1853-020

ID 0.378
OD 0.9
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1854-030

ID 0.378
OD 0.9
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1855-005

ID 0.378
OD 0.998
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1855-060

ID 0.378
OD 0.998
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1856-093

ID 0.378
OD 1.06
Thickness 0.093
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1857-064

ID 0.378
OD 1.374
Thickness 0.064
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1858-032

ID 0.378
OD 1.999
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1859-010

ID 0.379
OD 0.561
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-186-005

ID 0.102
OD 0.187
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1860-030

ID 0.379
OD 0.625
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1861-060

ID 0.379
OD 0.625
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1862-065

ID 0.379
OD 0.63
Thickness 0.065
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1863-026

ID 0.379
OD 0.688
Thickness 0.026
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1864-060

ID 0.379
OD 0.709
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1865-005

ID 0.379
OD 0.998
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1866-083

ID 0.379
OD 1.0
Thickness 0.083
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1867-066

ID 0.379
OD 1.5
Thickness 0.066
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1868-032

ID 0.379
OD 2.001
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1869-010

ID 0.38
OD 0.49
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-187-020

ID 0.102
OD 0.372
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1870-020

ID 0.38
OD 0.494
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1871-001

ID 0.38
OD 0.495
Thickness 0.001
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1872-010

ID 0.38
OD 0.495
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1873-025

ID 0.38
OD 0.495
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1874-063

ID 0.38
OD 0.5
Thickness 0.063
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1875-020

ID 0.38
OD 0.749
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1876-019

ID 0.381
OD 0.531
Thickness 0.019
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1877-016

ID 0.381
OD 0.541
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1878-031

ID 0.381
OD 0.746
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1879-123

ID 0.381
OD 0.752
Thickness 0.123
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-188-031

ID 0.102
OD 0.4
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1880-031

ID 0.381
OD 0.782
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1881-010

ID 0.381
OD 1.249
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1882-005

ID 0.381
OD 1.25
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1883-005

ID 0.382
OD 0.484
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1884-060

ID 0.382
OD 0.494
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1885-010

ID 0.382
OD 0.495
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1886-018

ID 0.382
OD 0.5
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1887-004

ID 0.382
OD 0.656
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1888-032

ID 0.382
OD 0.686
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-1889-063

ID 0.382
OD 0.992
Thickness 0.063
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-189-020

ID 0.104
OD 0.151
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity