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 3601–3650 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

300-2360-102

ID 0.531
OD 1.5
Thickness 0.102
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2361-018

ID 0.532
OD 0.655
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2362-010

ID 0.532
OD 1.119
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2363-059

ID 0.532
OD 1.248
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2364-020

ID 0.534
OD 0.999
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2365-026

ID 0.534
OD 1.249
Thickness 0.026
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2366-015

ID 0.534
OD 1.25
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2367-081

ID 0.534
OD 1.498
Thickness 0.081
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2368-020

ID 0.535
OD 0.736
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2369-020

ID 0.535
OD 0.741
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-237-025

ID 0.117
OD 0.17
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2370-020

ID 0.535
OD 0.75
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2371-117

ID 0.535
OD 0.996
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2372-098

ID 0.535
OD 0.998
Thickness 0.098
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2373-062

ID 0.535
OD 1.0
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2374-030

ID 0.535
OD 1.001
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2375-015

ID 0.535
OD 1.06
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2376-029

ID 0.535
OD 1.093
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2377-032

ID 0.535
OD 1.118
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2378-085

ID 0.535
OD 1.241
Thickness 0.085
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-238-015

ID 0.117
OD 0.191
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2380-076

ID 0.535
OD 1.25
Thickness 0.076
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2381-090

ID 0.535
OD 1.503
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2382-032

ID 0.535
OD 1.876
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2383-060

ID 0.535
OD 1.878
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2384-059

ID 0.535
OD 2.0
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2385-058

ID 0.535
OD 2.123
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2386-058

ID 0.536
OD 1.5
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2387-087

ID 0.536
OD 1.873
Thickness 0.087
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2388-132

ID 0.536
OD 1.997
Thickness 0.132
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2389-062

ID 0.536
OD 2.252
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-239-035

ID 0.117
OD 0.343
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2390-005

ID 0.537
OD 0.748
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2391-030

ID 0.537
OD 1.0
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2392-030

ID 0.537
OD 1.624
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2393-015

ID 0.538
OD 0.622
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2394-005

ID 0.54
OD 0.618
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2395-010

ID 0.541
OD 0.75
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2396-010

ID 0.541
OD 0.859
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2397-060

ID 0.544
OD 0.725
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2398-060

ID 0.544
OD 0.747
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2399-104

ID 0.55
OD 1.25
Thickness 0.104
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-24-010

ID 0.0
OD 0.367
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-240-038

ID 0.117
OD 0.35
Thickness 0.038
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2400-025

ID 0.557
OD 0.616
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2401-005

ID 0.56
OD 0.621
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2402-188

ID 0.561
OD 1.25
Thickness 0.188
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2403-002

ID 0.562
OD 1.045
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2404-073

ID 0.562
OD 1.25
Thickness 0.073
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2405-109

ID 0.562
OD 1.374
Thickness 0.109
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity