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 3701–3750 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

300-2451-021

ID 0.569
OD 1.001
Thickness 0.021
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2452-035

ID 0.57
OD 0.812
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2453-010

ID 0.571
OD 0.744
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2454-030

ID 0.571
OD 0.937
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2455-072

ID 0.573
OD 1.282
Thickness 0.072
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2456-058

ID 0.576
OD 1.107
Thickness 0.058
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2457-024

ID 0.577
OD 0.747
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2458-024

ID 0.577
OD 0.796
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2459-060

ID 0.578
OD 1.056
Thickness 0.06
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-246-018

ID 0.12
OD 0.186
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2460-065

ID 0.578
OD 1.107
Thickness 0.065
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2461-030

ID 0.58
OD 1.0
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2462-049

ID 0.58
OD 1.91
Thickness 0.049
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2463-025

ID 0.581
OD 0.999
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2464-032

ID 0.581
OD 1.06
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2465-062

ID 0.583
OD 0.812
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2466-062

ID 0.583
OD 0.925
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2467-073

ID 0.584
OD 1.0
Thickness 0.073
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2468-026

ID 0.584
OD 1.062
Thickness 0.026
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2469-094

ID 0.585
OD 0.75
Thickness 0.094
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-247-016

ID 0.12
OD 0.373
Thickness 0.016
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2470-094

ID 0.585
OD 0.799
Thickness 0.094
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2471-094

ID 0.585
OD 0.812
Thickness 0.094
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2472-030

ID 0.587
OD 0.814
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2473-005

ID 0.59
OD 0.703
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2474-014

ID 0.59
OD 0.799
Thickness 0.014
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2475-005

ID 0.591
OD 1.238
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2476-121

ID 0.591
OD 1.248
Thickness 0.121
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2477-057

ID 0.592
OD 1.124
Thickness 0.057
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2478-061

ID 0.592
OD 1.627
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2479-099

ID 0.593
OD 1.202
Thickness 0.099
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-248-005

ID 0.12
OD 0.379
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2480-010

ID 0.594
OD 0.715
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2481-015

ID 0.594
OD 0.746
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2482-005

ID 0.594
OD 0.942
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2483-020

ID 0.594
OD 1.0
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2484-090

ID 0.594
OD 1.5
Thickness 0.09
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2485-061

ID 0.596
OD 0.998
Thickness 0.061
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2486-067

ID 0.597
OD 0.997
Thickness 0.067
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2487-010

ID 0.598
OD 0.816
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2488-086

ID 0.598
OD 1.373
Thickness 0.086
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2489-057

ID 0.599
OD 0.996
Thickness 0.057
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-249-050

ID 0.12
OD 0.437
Thickness 0.05
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2490-078

ID 0.599
OD 1.134
Thickness 0.078
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2491-009

ID 0.6
OD 0.782
Thickness 0.009
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2492-035

ID 0.6
OD 0.816
Thickness 0.035
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2493-001

ID 0.604
OD 0.816
Thickness 0.001
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2494-024

ID 0.604
OD 0.953
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2495-025

ID 0.604
OD 0.954
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2496-003

ID 0.605
OD 0.861
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity