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

300-4854-020

ID 0.165
OD 0.309
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4855-033

ID 0.17
OD 0.305
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4856-062

ID 0.17
OD 0.392
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4857-032

ID 0.17
OD 0.432
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4858-063

ID 0.171
OD 0.391
Thickness 0.063
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4859-063

ID 0.173
OD 0.392
Thickness 0.063
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-486-015

ID 0.15
OD 0.336
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4860-005

ID 0.189
OD 0.248
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4861-033

ID 0.189
OD 0.499
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4862-028

ID 0.19
OD 0.375
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4863-020

ID 0.195
OD 0.371
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4864-058

ID 0.198
OD 0.374
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4865-059

ID 0.198
OD 0.453
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4866-031

ID 0.198
OD 0.59
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4867-060

ID 0.204
OD 1.311
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4868-062

ID 0.204
OD 1.561
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4869-020

ID 0.206
OD 0.376
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-487-040

ID 0.151
OD 0.35
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4870-039

ID 0.206
OD 0.381
Thickness 0.039
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4871-021

ID 0.208
OD 0.372
Thickness 0.021
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4872-055

ID 0.221
OD 0.679
Thickness 0.055
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4873-058

ID 0.243
OD 0.492
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4874-030

ID 0.248
OD 0.749
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4875-060

ID 0.251
OD 0.683
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4876-039

ID 0.253
OD 0.373
Thickness 0.039
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4877-038

ID 0.253
OD 0.5
Thickness 0.038
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4878-027

ID 0.254
OD 0.308
Thickness 0.027
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4879-061

ID 0.255
OD 0.375
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-488-010

ID 0.151
OD 0.37
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4880-061

ID 0.265
OD 0.686
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4881-051

ID 0.269
OD 0.562
Thickness 0.051
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4882-116

ID 0.284
OD 0.627
Thickness 0.116
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4883-048

ID 0.289
OD 0.685
Thickness 0.048
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4884-033

ID 0.316
OD 0.5
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4885-184

ID 0.326
OD 0.863
Thickness 0.184
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4886-038

ID 0.333
OD 0.668
Thickness 0.038
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4887-047

ID 0.346
OD 1.25
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4888-100

ID 0.354
OD 0.852
Thickness 0.1
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4889-010

ID 0.378
OD 0.708
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-489-046

ID 0.151
OD 0.373
Thickness 0.046
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4890-002

ID 0.379
OD 0.748
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4891-003

ID 0.379
OD 0.748
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4892-007

ID 0.38
OD 0.494
Thickness 0.007
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4893-046

ID 0.382
OD 1.155
Thickness 0.046
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4894-057

ID 0.384
OD 0.499
Thickness 0.057
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4895-089

ID 0.389
OD 0.876
Thickness 0.089
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4896-117

ID 0.391
OD 1.0
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4897-051

ID 0.406
OD 1.25
Thickness 0.051
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4898-059

ID 0.408
OD 0.875
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-4899-062

ID 0.421
OD 0.811
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity