Home | Flat Washers in Every Size, Material & Tolerance

Flat Washers in Every Size, Material & Tolerance

Flat washers are essential components in fastener assemblies, distributing load evenly across mating surfaces to prevent wear, protect finishes, and ensure joint integrity. As a leading flat washer manufacturer, Superior Washer & Gasket Corp supplies standard washers, large flat washers, and custom flat washers in aluminum, brass, copper, stainless steel, carbon steel, and nylon-manufactured to your exact specifications.

Our ISO 9001:2015 certified quality management system guarantees consistent dimensional accuracy across every order, from prototype quantities to high-volume production runs. Whether you need special flat washers for a unique application or mil-spec flat washers for aerospace and defense, we deliver reliable solutions made in the U.S.A.

  • Standard and custom flat washer sizes in stock
  • Wide selection of materials including stainless steel, brass, aluminum, and nylon
  • ISO 9001:2015 certified manufacturing and quality control
  • Custom flat washers produced to print or sample
  • Competitive pricing with fast turnaround

Showing 851–900 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

220-398-062

ID 0.317
OD 0.687
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-399-062

ID 0.317
OD 0.75
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-40-031

ID 0.089
OD 0.187
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-400-031

ID 0.317
OD 0.812
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-401-031

ID 0.323
OD 0.471
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-402-016

ID 0.323
OD 0.483
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-403-062

ID 0.323
OD 0.5
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-404-045

ID 0.323
OD 0.555
Thickness 0.045
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-405-031

ID 0.323
OD 0.562
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-406-062

ID 0.323
OD 0.625
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-407-062

ID 0.323
OD 0.687
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-408-031

ID 0.323
OD 0.75
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-409-062

ID 0.323
OD 1.0
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-41-020

ID 0.089
OD 0.196
Thickness 0.02
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-410-031

ID 0.328
OD 0.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-411-062

ID 0.328
OD 0.562
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-412-093

ID 0.328
OD 0.625
Thickness 0.093
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-413-062

ID 0.328
OD 0.75
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-414-020

ID 0.334
OD 0.483
Thickness 0.02
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-415-062

ID 0.334
OD 0.525
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-416-093

ID 0.334
OD 0.562
Thickness 0.093
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-417-062

ID 0.334
OD 0.64
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-418-062

ID 0.339
OD 0.665
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-419-031

ID 0.343
OD 0.687
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-42-016

ID 0.089
OD 0.218
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-420-062

ID 0.343
OD 0.75
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-421-062

ID 0.343
OD 0.875
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-422-062

ID 0.346
OD 0.473
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-423-062

ID 0.346
OD 0.625
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-424-062

ID 0.346
OD 0.687
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-425-031

ID 0.357
OD 0.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-426-031

ID 0.375
OD 0.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-427-031

ID 0.375
OD 0.562
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-428-016

ID 0.375
OD 0.625
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-429-045

ID 0.375
OD 0.656
Thickness 0.045
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-43-062

ID 0.089
OD 0.234
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-430-020

ID 0.375
OD 0.672
Thickness 0.02
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-431-031

ID 0.375
OD 0.718
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-432-062

ID 0.375
OD 0.75
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-433-005

ID 0.375
OD 0.812
Thickness 0.005
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-434-062

ID 0.375
OD 0.875
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-435-062

ID 0.375
OD 1.0
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-436-031

ID 0.375
OD 1.214
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-437-010

ID 0.375
OD 1.25
Thickness 0.01
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-438-031

ID 0.38
OD 0.812
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-439-016

ID 0.385
OD 0.5
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-44-031

ID 0.089
OD 0.25
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-440-062

ID 0.385
OD 0.562
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-441-062

ID 0.385
OD 0.625
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-442-016

ID 0.385
OD 0.653
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity