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 3651–3700 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

300-2406-030

ID 0.562
OD 1.624
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2407-187

ID 0.562
OD 1.625
Thickness 0.187
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2408-010

ID 0.563
OD 0.743
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2409-002

ID 0.563
OD 0.748
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-241-003

ID 0.117
OD 0.372
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2410-010

ID 0.563
OD 0.904
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2411-031

ID 0.563
OD 0.996
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2412-102

ID 0.563
OD 1.247
Thickness 0.102
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2413-184

ID 0.563
OD 1.248
Thickness 0.184
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2414-010

ID 0.563
OD 1.249
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2415-010

ID 0.563
OD 1.292
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2416-030

ID 0.563
OD 1.499
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2417-122

ID 0.563
OD 2.0
Thickness 0.122
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2418-015

ID 0.564
OD 0.682
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2419-031

ID 0.564
OD 0.983
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-242-010

ID 0.118
OD 0.175
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2420-076

ID 0.564
OD 0.997
Thickness 0.076
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2421-032

ID 0.564
OD 1.005
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2422-060

ID 0.564
OD 1.093
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2423-062

ID 0.564
OD 1.248
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2424-093

ID 0.564
OD 1.249
Thickness 0.093
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2425-077

ID 0.564
OD 1.25
Thickness 0.077
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2426-134

ID 0.564
OD 1.499
Thickness 0.134
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2427-060

ID 0.565
OD 0.744
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2428-015

ID 0.565
OD 0.75
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2429-060

ID 0.565
OD 0.812
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-243-032

ID 0.119
OD 0.329
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2430-060

ID 0.565
OD 0.93
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2431-077

ID 0.565
OD 0.997
Thickness 0.077
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2432-015

ID 0.565
OD 1.003
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2433-090

ID 0.565
OD 1.062
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2434-059

ID 0.565
OD 1.1
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2435-195

ID 0.565
OD 1.247
Thickness 0.195
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2436-084

ID 0.565
OD 1.248
Thickness 0.084
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2437-060

ID 0.565
OD 1.249
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2438-034

ID 0.565
OD 1.374
Thickness 0.034
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2439-100

ID 0.565
OD 1.375
Thickness 0.1
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-244-085

ID 0.119
OD 0.381
Thickness 0.085
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2440-182

ID 0.565
OD 2.0
Thickness 0.182
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2441-060

ID 0.566
OD 0.995
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2442-015

ID 0.566
OD 1.0
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2443-103

ID 0.566
OD 1.5
Thickness 0.103
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2444-062

ID 0.566
OD 2.0
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2445-005

ID 0.567
OD 1.064
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2446-029

ID 0.567
OD 1.249
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2447-060

ID 0.568
OD 0.809
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2448-015

ID 0.568
OD 0.925
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2449-060

ID 0.568
OD 1.121
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-245-031

ID 0.119
OD 0.406
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2450-010

ID 0.568
OD 1.249
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity