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 751–800 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

220-307-031

ID 0.225
OD 0.375
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-308-031

ID 0.225
OD 0.437
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-309-062

ID 0.225
OD 0.5
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-31-031

ID 0.078
OD 0.156
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-310-062

ID 0.225
OD 0.75
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-311-062

ID 0.23
OD 0.64
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-312-031

ID 0.234
OD 0.312
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-313-031

ID 0.234
OD 0.38
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-314-093

ID 0.24
OD 0.625
Thickness 0.093
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-315-093

ID 0.24
OD 1.0
Thickness 0.093
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-316-031

ID 0.253
OD 0.312
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-317-031

ID 0.253
OD 0.375
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-318-031

ID 0.253
OD 0.406
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-319-016

ID 0.253
OD 0.43
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-32-050

ID 0.078
OD 0.178
Thickness 0.05
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-320-031

ID 0.253
OD 0.437
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-321-031

ID 0.253
OD 0.45
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-322-031

ID 0.253
OD 0.455
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-323-045

ID 0.253
OD 0.495
Thickness 0.045
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-324-031

ID 0.253
OD 0.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-325-015

ID 0.253
OD 0.51
Thickness 0.015
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-326-031

ID 0.253
OD 0.562
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-327-062

ID 0.253
OD 0.593
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-328-031

ID 0.253
OD 0.62
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-329-062

ID 0.253
OD 0.625
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-33-031

ID 0.078
OD 0.187
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-330-031

ID 0.253
OD 0.65
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-331-031

ID 0.253
OD 0.655
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-332-031

ID 0.253
OD 0.675
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-333-062

ID 0.253
OD 0.687
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-334-031

ID 0.253
OD 0.698
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-335-062

ID 0.253
OD 0.75
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-336-031

ID 0.253
OD 0.812
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-337-062

ID 0.253
OD 0.875
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-338-062

ID 0.253
OD 1.0
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-339-031

ID 0.253
OD 1.062
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-34-016

ID 0.078
OD 0.21
Thickness 0.016
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-340-031

ID 0.26
OD 0.375
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-341-062

ID 0.26
OD 0.406
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-342-031

ID 0.26
OD 0.437
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-343-062

ID 0.26
OD 0.439
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-344-031

ID 0.26
OD 0.5
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-345-031

ID 0.26
OD 0.515
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-346-062

ID 0.26
OD 0.562
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-347-031

ID 0.26
OD 0.601
Thickness 0.031
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-348-125

ID 0.26
OD 0.62
Thickness 0.125
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-349-062

ID 0.26
OD 0.687
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-35-062

ID 0.078
OD 0.218
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-350-125

ID 0.26
OD 0.73
Thickness 0.125
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity

220-351-062

ID 0.26
OD 0.75
Thickness 0.062
Material Nylon
ID TOL +-.005
OD TOL +-.005
Quantity