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 3251–3300 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

300-2049-031

ID 0.412
OD 0.714
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-205-020

ID 0.108
OD 0.326
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2050-050

ID 0.412
OD 0.748
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2051-063

ID 0.412
OD 0.812
Thickness 0.063
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2052-063

ID 0.412
OD 0.89
Thickness 0.063
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2053-071

ID 0.412
OD 1.997
Thickness 0.071
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2054-052

ID 0.413
OD 0.595
Thickness 0.052
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2055-031

ID 0.413
OD 0.97
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2056-015

ID 0.414
OD 0.623
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2057-090

ID 0.415
OD 0.73
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2058-027

ID 0.415
OD 0.826
Thickness 0.027
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2059-090

ID 0.415
OD 0.862
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-206-010

ID 0.109
OD 0.176
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2060-036

ID 0.418
OD 0.812
Thickness 0.036
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2060-060

ID 0.418
OD 0.812
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2061-092

ID 0.421
OD 0.75
Thickness 0.092
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2062-092

ID 0.421
OD 0.812
Thickness 0.092
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2063-060

ID 0.423
OD 1.025
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2064-047

ID 0.424
OD 0.625
Thickness 0.047
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2065-004

ID 0.424
OD 0.67
Thickness 0.004
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2066-032

ID 0.425
OD 0.694
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2067-031

ID 0.425
OD 0.691
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2068-064

ID 0.427
OD 0.576
Thickness 0.064
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2069-005

ID 0.429
OD 0.618
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-207-016

ID 0.109
OD 0.191
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2070-005

ID 0.43
OD 0.806
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2071-010

ID 0.433
OD 0.651
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2072-032

ID 0.436
OD 0.86
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2073-010

ID 0.437
OD 0.493
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2074-005

ID 0.437
OD 0.495
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2075-020

ID 0.437
OD 0.495
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2076-010

ID 0.437
OD 0.508
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2077-041

ID 0.437
OD 0.534
Thickness 0.041
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2078-077

ID 0.437
OD 0.627
Thickness 0.077
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2079-085

ID 0.437
OD 1.093
Thickness 0.085
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2079M-187

ID 0.437
OD 1.5
Thickness 0.187
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-208-015

ID 0.109
OD 0.239
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2080-040

ID 0.438
OD 0.621
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2081-031

ID 0.438
OD 0.656
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2082-064

ID 0.438
OD 0.748
Thickness 0.064
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2083-064

ID 0.438
OD 0.813
Thickness 0.064
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2084-003

ID 0.439
OD 0.549
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2085-005

ID 0.439
OD 0.56
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2086-005

ID 0.439
OD 0.652
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2087-031

ID 0.439
OD 0.656
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2088-0105

ID 0.44
OD 0.609
Thickness 0.011
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2089-015

ID 0.44
OD 0.622
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-209-025

ID 0.109
OD 0.247
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2090-030

ID 0.44
OD 0.622
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2091-0013

ID 0.44
OD 0.686
Thickness 0.001
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity