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

300-3864-089

ID 0.219
OD 0.786
Thickness 0.089
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3865-062

ID 0.384
OD 0.849
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3866-060

ID 0.513
OD 0.967
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3867-117

ID 0.434
OD 1.515
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3868-048

ID 1.143
OD 1.75
Thickness 0.048
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3869-020

ID 0.148
OD 0.314
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-387-005

ID 0.136
OD 0.257
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3870-019

ID 0.2
OD 0.33
Thickness 0.019
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3871-032

ID 0.254
OD 0.375
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3872-010

ID 0.32
OD 0.402
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3873-005

ID 0.336
OD 0.439
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3874-002

ID 0.256
OD 0.497
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3875-047

ID 0.321
OD 0.621
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3876-051

ID 0.199
OD 0.625
Thickness 0.051
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3877-031

ID 0.194
OD 0.687
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3878-091

ID 0.332
OD 0.746
Thickness 0.091
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3879-048

ID 0.191
OD 0.747
Thickness 0.048
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-388-020

ID 0.136
OD 0.266
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3880-046

ID 0.409
OD 0.874
Thickness 0.046
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3881-002

ID 0.675
OD 0.976
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3882-004

ID 0.677
OD 0.977
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3883-003

ID 0.954
OD 1.03
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3884-110

ID 0.565
OD 1.5
Thickness 0.11
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3885-103

ID 0.816
OD 1.502
Thickness 0.103
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3886-058

ID 0.415
OD 1.575
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3887-058

ID 0.0
OD 2.185
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3888-028

ID 0.107
OD 0.187
Thickness 0.028
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3889-032

ID 0.125
OD 0.282
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-389-031

ID 0.136
OD 0.292
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3890-073

ID 0.13
OD 0.312
Thickness 0.073
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3891-029

ID 0.202
OD 0.34
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3892-010

ID 0.196
OD 0.364
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3893-030

ID 0.138
OD 0.37
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3894-031

ID 0.16
OD 0.5
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3895-015

ID 0.238
OD 0.562
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3896-040

ID 0.221
OD 0.624
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3897-060

ID 0.253
OD 0.629
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3898-035

ID 0.21
OD 0.689
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3899-040

ID 0.25
OD 0.901
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-39-030

ID 0.0
OD 0.755
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-390-047

ID 0.136
OD 0.31
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3900-058

ID 0.192
OD 1.0
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3901-079

ID 0.29
OD 1.0
Thickness 0.079
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3902-058

ID 0.205
OD 1.001
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3903-117

ID 0.22
OD 1.001
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3904-033

ID 1.019
OD 1.75
Thickness 0.033
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3905-115

ID 0.155
OD 0.45
Thickness 0.115
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3906-049

ID 0.261
OD 0.501
Thickness 0.049
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3907-038

ID 0.214
OD 0.586
Thickness 0.038
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-3908-024

ID 0.254
OD 0.625
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity