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 3501–3550 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

300-2271-056

ID 0.506
OD 1.063
Thickness 0.056
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2272-060

ID 0.506
OD 1.304
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2273-005

ID 0.507
OD 0.581
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2274-003

ID 0.507
OD 0.615
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2275-010

ID 0.507
OD 0.615
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2276-031

ID 0.507
OD 0.664
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2277-031

ID 0.507
OD 0.678
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2278-010

ID 0.507
OD 0.708
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2279-020

ID 0.507
OD 0.747
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-228-005

ID 0.114
OD 0.368
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2280-026

ID 0.507
OD 0.782
Thickness 0.026
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2281-030

ID 0.507
OD 0.844
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2282-030

ID 0.507
OD 0.936
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2283-030

ID 0.507
OD 0.962
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2284-010

ID 0.508
OD 0.639
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2285-048

ID 0.508
OD 1.251
Thickness 0.048
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2286-059

ID 0.508
OD 1.304
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2287-059

ID 0.508
OD 1.375
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2288-043

ID 0.509
OD 0.688
Thickness 0.043
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2289-043

ID 0.509
OD 0.73
Thickness 0.043
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-229-031

ID 0.114
OD 0.374
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2290-053

ID 0.509
OD 0.75
Thickness 0.053
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2291-085

ID 0.509
OD 0.936
Thickness 0.085
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2292-059

ID 0.509
OD 1.302
Thickness 0.059
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2293-020

ID 0.509
OD 1.503
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2294-030

ID 0.511
OD 1.25
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2295-010

ID 0.512
OD 0.7
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2296-005

ID 0.512
OD 0.743
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2297-010

ID 0.512
OD 0.75
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2298-010

ID 0.512
OD 0.86
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2299-034

ID 0.512
OD 0.999
Thickness 0.034
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-23-020

ID 0.0
OD 0.335
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-230-015

ID 0.115
OD 0.197
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-230-032

ID 0.115
OD 0.197
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2300-016

ID 0.513
OD 0.682
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2302-010

ID 0.514
OD 0.585
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2303-020

ID 0.514
OD 0.621
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2304-010

ID 0.514
OD 0.686
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2305-010

ID 0.514
OD 0.688
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2306-010

ID 0.514
OD 0.741
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2307-020

ID 0.514
OD 0.785
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2308-029

ID 0.514
OD 0.858
Thickness 0.029
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2309-030

ID 0.514
OD 0.968
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-231-019

ID 0.116
OD 0.247
Thickness 0.019
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2310-011

ID 0.514
OD 0.998
Thickness 0.011
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2311-003

ID 0.515
OD 0.58
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2312-002

ID 0.515
OD 0.62
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2313-116

ID 0.515
OD 1.245
Thickness 0.116
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2314-165

ID 0.515
OD 2.0
Thickness 0.165
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2315-032

ID 0.516
OD 0.61
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity