Home | 316 Stainless Steel Flat Washers - Marine-Grade Corrosion Resistance

316 Stainless Steel Flat Washers - Marine-Grade Corrosion Resistance

316 stainless steel flat washers offer superior corrosion resistance compared to 304 grade, thanks to the addition of molybdenum, which provides enhanced protection against chlorides, seawater, and acidic environments. They are the preferred choice for marine, offshore, chemical processing, and pharmaceutical fastener applications.

Superior Washer & Gasket Corp manufactures 316 stainless steel flat washers in standard and custom sizes with ISO 9001:2015 certified quality management. We maintain inventory of 316 stainless washers for fast delivery and produce custom sizes to your dimensional requirements-all made in the U.S.A. with material certifications available.

  • 316 stainless steel with molybdenum for superior chloride resistance
  • Preferred grade for marine and chemical applications
  • Standard and custom 316 stainless flat washer sizes
  • ISO 9001:2015 certified quality control
  • Made in the U.S.A.; material certifications available

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Showing 401–450 of 477 products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

380-451-119

ID 0.346
OD 1.25
Thickness 0.119
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.010
Quantity

380-452-062

ID 0.283
OD 0.625
Thickness 0.062
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-453-062

ID 0.5
OD 0.874
Thickness 0.062
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-454-102

ID 0.202
OD 1.377
Thickness 0.102
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-455-062

ID 0.533
OD 1.752
Thickness 0.062
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-456-018

ID 0.173
OD 0.313
Thickness 0.018
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-457-005

ID 0.374
OD 0.626
Thickness 0.005
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-458-032

ID 0.683
OD 1.5
Thickness 0.032
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-459-040

ID 0.214
OD 0.393
Thickness 0.04
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-46-031

ID 0.14
OD 0.315
Thickness 0.031
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-460-118

ID 1.005
OD 1.773
Thickness 0.118
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.010
Quantity

380-461-101

ID 0.273
OD 0.622
Thickness 0.101
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-462-063

ID 0.683
OD 1.5
Thickness 0.063
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-463-117

ID 0.629
OD 1.874
Thickness 0.117
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-464-182

ID 0.679
OD 1.496
Thickness 0.182
Material 316 Stainless Steel
ID TOL +-.010
OD TOL +-.010
Quantity

380-47-032

ID 0.143
OD 0.248
Thickness 0.032
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-48-031

ID 0.143
OD 0.281
Thickness 0.031
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-49-042

ID 0.143
OD 0.397
Thickness 0.042
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-50-043

ID 0.143
OD 0.406
Thickness 0.043
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-51-031

ID 0.148
OD 0.247
Thickness 0.031
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-52-015

ID 0.148
OD 0.267
Thickness 0.015
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-53-034

ID 0.148
OD 0.311
Thickness 0.034
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-54-025

ID 0.148
OD 0.374
Thickness 0.025
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-54-030

ID 0.148
OD 0.374
Thickness 0.03
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-55-037

ID 0.148
OD 0.75
Thickness 0.037
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-56-032

ID 0.157
OD 0.379
Thickness 0.032
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-57-031

ID 0.159
OD 0.313
Thickness 0.031
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-57-038

ID 0.159
OD 0.313
Thickness 0.038
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-58-032

ID 0.159
OD 0.375
Thickness 0.032
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-58-036

ID 0.159
OD 0.375
Thickness 0.036
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-58-062

ID 0.159
OD 0.375
Thickness 0.062
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-59-017

ID 0.162
OD 0.261
Thickness 0.017
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-60-020

ID 0.162
OD 0.267
Thickness 0.02
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-61-031

ID 0.165
OD 0.248
Thickness 0.031
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-62-032

ID 0.165
OD 0.28
Thickness 0.032
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-63-016

ID 0.173
OD 0.306
Thickness 0.016
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-64-061

ID 0.173
OD 0.437
Thickness 0.061
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-65-030

ID 0.175
OD 0.284
Thickness 0.03
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-66-031

ID 0.175
OD 0.375
Thickness 0.031
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-67-035

ID 0.175
OD 0.436
Thickness 0.035
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-68-036

ID 0.175
OD 0.436
Thickness 0.036
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-69-040

ID 0.177
OD 0.29
Thickness 0.04
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-70-060

ID 0.181
OD 0.317
Thickness 0.06
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-71-041

ID 0.186
OD 0.376
Thickness 0.041
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-72-020

ID 0.189
OD 0.28
Thickness 0.02
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-73-031

ID 0.189
OD 0.373
Thickness 0.031
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-73-050

ID 0.189
OD 0.373
Thickness 0.05
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-73-062

ID 0.189
OD 0.373
Thickness 0.062
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-74-038

ID 0.189
OD 0.562
Thickness 0.038
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

380-75-063

ID 0.189
OD 0.625
Thickness 0.063
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity