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

300-3060-005

ID 1.137
OD 1.364
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3061-056

ID 1.14
OD 1.356
Thickness 0.056
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3062-008

ID 1.142
OD 1.249
Thickness 0.008
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3063-005

ID 1.151
OD 1.746
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3064-004

ID 1.152
OD 1.626
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3065-005

ID 1.154
OD 1.626
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3066-030

ID 1.155
OD 1.358
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3067-005

ID 1.155
OD 1.75
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3068-008

ID 1.156
OD 1.625
Thickness 0.008
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3069-061

ID 1.156
OD 3.248
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-307-003

ID 0.128
OD 0.307
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3070-001

ID 1.157
OD 1.242
Thickness 0.001
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3071-022

ID 1.157
OD 1.373
Thickness 0.022
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3072-030

ID 1.158
OD 1.845
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3073-060

ID 1.16
OD 1.75
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3074-066

ID 1.162
OD 1.378
Thickness 0.066
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3075-005

ID 1.178
OD 1.375
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3076-010

ID 1.186
OD 1.308
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3077-010

ID 1.186
OD 1.311
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3078-003

ID 1.187
OD 1.31
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3079-010

ID 1.187
OD 1.368
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-308-016

ID 0.128
OD 0.312
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3080-004

ID 1.187
OD 1.375
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3081-010

ID 1.187
OD 1.495
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3082-023

ID 1.187
OD 1.5
Thickness 0.023
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3083-032

ID 1.187
OD 1.75
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3084-032

ID 1.187
OD 1.877
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3085-005

ID 1.189
OD 1.356
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3086-005

ID 1.189
OD 1.454
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3087-005

ID 1.189
OD 1.5
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3088-105

ID 1.19
OD 1.996
Thickness 0.105
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3089-119

ID 1.19
OD 2.498
Thickness 0.119
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-309-031

ID 0.128
OD 0.509
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3090-039

ID 1.192
OD 1.75
Thickness 0.039
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3091-077

ID 1.198
OD 1.75
Thickness 0.077
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3092-010

ID 1.202
OD 1.371
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3093-010

ID 1.202
OD 1.5
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3094-009

ID 1.23
OD 1.415
Thickness 0.009
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3095-005

ID 1.231
OD 1.419
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3096-002

ID 1.235
OD 1.446
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3097-016

ID 1.239
OD 1.609
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3098-005

ID 1.247
OD 1.375
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3099-006

ID 1.247
OD 1.5
Thickness 0.006
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-31-015

ID 0.0
OD 0.5
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-310-005

ID 0.128
OD 0.561
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3100-030

ID 1.251
OD 1.622
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3101-002

ID 1.252
OD 1.373
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3102-033

ID 1.252
OD 1.499
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3103-030

ID 1.253
OD 1.621
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3104-030

ID 1.254
OD 1.488
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity