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 4201–4250 of 25,000+ products

SKU ID OD Thickness Material ID TOL OD TOL Quantity

300-29-005

ID 0.0
OD 0.481
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-290-010

ID 0.127
OD 0.295
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2900-010

ID 0.893
OD 1.017
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2901-012

ID 0.893
OD 1.124
Thickness 0.012
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2902-012

ID 0.893
OD 1.263
Thickness 0.012
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2903-010

ID 0.894
OD 1.247
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2904-031

ID 0.894
OD 1.5
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2905-064

ID 0.9
OD 1.608
Thickness 0.064
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2906-005

ID 0.906
OD 1.249
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2907-005

ID 0.906
OD 1.463
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2908-005

ID 0.906
OD 1.464
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2909-018

ID 0.907
OD 2.255
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-291-040

ID 0.127
OD 0.31
Thickness 0.04
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2910-010

ID 0.91
OD 1.561
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2911-018

ID 0.91
OD 2.253
Thickness 0.018
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2912-002

ID 0.914
OD 1.001
Thickness 0.002
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2913-015

ID 0.916
OD 1.186
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2914-010

ID 0.918
OD 1.182
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2915-005

ID 0.918
OD 1.184
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2916-010

ID 0.919
OD 1.117
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2917-010

ID 0.919
OD 1.185
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2918-030

ID 0.92
OD 1.016
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2919-032

ID 0.921
OD 1.015
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-292-025

ID 0.127
OD 0.313
Thickness 0.025
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-292-120

ID 1.285
OD 1.737
Thickness 0.12
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2920-030

ID 0.921
OD 1.118
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2921-010

ID 0.922
OD 0.996
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2922-010

ID 0.924
OD 0.967
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2923-027

ID 0.924
OD 1.252
Thickness 0.027
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2924-010

ID 0.925
OD 1.234
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2925-005

ID 0.925
OD 1.238
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2926-020

ID 0.926
OD 1.109
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2927-032

ID 0.936
OD 1.313
Thickness 0.032
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2928-010

ID 0.938
OD 1.092
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2929-076

ID 0.938
OD 1.753
Thickness 0.076
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-293-024

ID 0.127
OD 0.346
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-293-164

ID 1.387
OD 2.495
Thickness 0.164
Material 316 Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2930-015

ID 0.94
OD 1.062
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2931-031

ID 0.94
OD 1.208
Thickness 0.031
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2932-117

ID 0.94
OD 2.001
Thickness 0.117
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2933-103

ID 0.94
OD 2.25
Thickness 0.103
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2934-010

ID 0.941
OD 1.062
Thickness 0.01
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2935-062

ID 0.941
OD 1.116
Thickness 0.062
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2936-030

ID 0.941
OD 1.118
Thickness 0.03
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2937-003

ID 0.941
OD 1.119
Thickness 0.003
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2938-005

ID 0.941
OD 1.12
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2939-005

ID 0.941
OD 1.121
Thickness 0.005
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-294-020

ID 0.127
OD 0.37
Thickness 0.02
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2940-015

ID 0.942
OD 1.1
Thickness 0.015
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity

300-2941-024

ID 0.942
OD 1.562
Thickness 0.024
Material Stainless Steel
ID TOL +-.005
OD TOL +-.005
Quantity