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 20501–20550 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

560-517-063

ID 0.315
OD 1.249
Thickness 0.063
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-518-003

ID 0.316
OD 0.434
Thickness 0.003
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-519-050

ID 0.316
OD 0.622
Thickness 0.05
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-52-010

ID 0.065
OD 0.182
Thickness 0.01
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-520-060

ID 0.318
OD 0.875
Thickness 0.06
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-521-062

ID 0.32
OD 0.5
Thickness 0.062
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-522-061

ID 0.321
OD 0.438
Thickness 0.061
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-523-025

ID 0.321
OD 0.747
Thickness 0.025
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-524-032

ID 0.323
OD 0.491
Thickness 0.032
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-525-020

ID 0.323
OD 0.645
Thickness 0.02
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-526-062

ID 0.323
OD 0.733
Thickness 0.062
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-527-050

ID 0.325
OD 0.686
Thickness 0.05
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-528-005

ID 0.327
OD 0.496
Thickness 0.005
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-529-031

ID 0.327
OD 0.624
Thickness 0.031
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-53-010

ID 0.066
OD 0.142
Thickness 0.01
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-530-003

ID 0.33
OD 0.484
Thickness 0.003
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-531-062

ID 0.331
OD 0.686
Thickness 0.062
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-532-030

ID 0.332
OD 0.498
Thickness 0.03
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-533-031

ID 0.332
OD 0.562
Thickness 0.031
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-534-031

ID 0.333
OD 0.86
Thickness 0.031
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-535-040

ID 0.334
OD 0.435
Thickness 0.04
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-536-064

ID 0.337
OD 0.75
Thickness 0.064
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-537-031

ID 0.343
OD 0.529
Thickness 0.031
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-538-063

ID 0.344
OD 0.875
Thickness 0.063
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-539-041

ID 0.345
OD 0.496
Thickness 0.041
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-54-005

ID 0.066
OD 0.153
Thickness 0.005
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-540-063

ID 0.345
OD 0.625
Thickness 0.063
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-541-064

ID 0.345
OD 1.125
Thickness 0.064
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-542-031

ID 0.346
OD 0.749
Thickness 0.031
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-543-063

ID 0.346
OD 0.811
Thickness 0.063
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-544-032

ID 0.347
OD 0.561
Thickness 0.032
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-545-103

ID 0.347
OD 0.812
Thickness 0.103
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-546-057

ID 0.353
OD 0.687
Thickness 0.057
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-547-004

ID 0.355
OD 0.53
Thickness 0.004
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-548-030

ID 0.356
OD 0.618
Thickness 0.03
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-549-005

ID 0.36
OD 0.484
Thickness 0.005
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-55-021

ID 0.066
OD 0.17
Thickness 0.021
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-550-061

ID 0.363
OD 0.75
Thickness 0.061
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-551-041

ID 0.364
OD 0.496
Thickness 0.041
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-552-063

ID 0.364
OD 0.687
Thickness 0.063
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-553-010

ID 0.367
OD 0.478
Thickness 0.01
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-554-020

ID 0.373
OD 0.567
Thickness 0.02
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-555-025

ID 0.376
OD 0.621
Thickness 0.025
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-556-016

ID 0.376
OD 0.685
Thickness 0.016
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-557-040

ID 0.377
OD 0.505
Thickness 0.04
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-558-020

ID 0.377
OD 0.679
Thickness 0.02
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-559-080

ID 0.377
OD 0.937
Thickness 0.08
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-56-021

ID 0.066
OD 0.186
Thickness 0.021
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-560-005

ID 0.377
OD 0.998
Thickness 0.005
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity

560-561-010

ID 0.378
OD 0.497
Thickness 0.01
Material Brass
ID TOL +-.005
OD TOL +-.005
Quantity