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

300-3105-090

ID 1.254
OD 2.503
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3106-035

ID 1.255
OD 1.488
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3107-036

ID 1.256
OD 1.488
Thickness 0.036
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3108-065

ID 1.256
OD 1.619
Thickness 0.065
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3109-032

ID 1.259
OD 1.468
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-311-052

ID 0.128
OD 0.607
Thickness 0.052
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3110-033

ID 1.26
OD 1.746
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3111-015

ID 1.265
OD 1.737
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3112-030

ID 1.266
OD 1.498
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3113-015

ID 1.269
OD 2.0
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3114-020

ID 1.274
OD 2.031
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3115-029

ID 1.277
OD 1.703
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3116-005

ID 1.28
OD 1.687
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3117-117

ID 1.281
OD 2.5
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3118-020

ID 1.282
OD 1.622
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3119-029

ID 1.287
OD 1.593
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-312-032

ID 0.128
OD 0.625
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3120-033

ID 1.295
OD 1.465
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3121-032

ID 1.296
OD 1.465
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3122-029

ID 1.297
OD 1.464
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3123-029

ID 1.299
OD 1.875
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3124-031

ID 1.3
OD 1.685
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3125-034

ID 1.3
OD 1.686
Thickness 0.034
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3126-033

ID 1.301
OD 1.876
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3127-021

ID 1.315
OD 1.592
Thickness 0.021
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3128-065

ID 1.315
OD 1.625
Thickness 0.065
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3129-029

ID 1.315
OD 2.0
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-313-015

ID 0.128
OD 0.745
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3130-060

ID 1.319
OD 1.499
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3131-014

ID 1.367
OD 1.738
Thickness 0.014
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3132-003

ID 1.373
OD 1.493
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3133-010

ID 1.374
OD 1.621
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3134-005

ID 1.375
OD 1.493
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3135-003

ID 1.375
OD 1.561
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3136-196

ID 1.375
OD 2.494
Thickness 0.196
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3137-167

ID 1.375
OD 2.997
Thickness 0.167
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3138-025

ID 1.375
OD 1.559
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3139-024

ID 1.375
OD 1.66
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-314-003

ID 0.128
OD 0.749
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3140-093

ID 1.379
OD 1.747
Thickness 0.093
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3141-092

ID 1.379
OD 1.998
Thickness 0.092
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3142-010

ID 1.383
OD 1.547
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3143-029

ID 1.389
OD 1.623
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3144-049

ID 1.395
OD 2.75
Thickness 0.049
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3145-032

ID 1.398
OD 1.56
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3146-005

ID 1.407
OD 1.847
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3147-033

ID 1.415
OD 1.807
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3148-032

ID 1.416
OD 1.808
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3149-005

ID 1.44
OD 1.614
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-315-015

ID 0.128
OD 0.937
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity