Standard Flat Washers - General-Purpose Washers in All Sizes & Materials

Standard washers are the most widely used fastener components across industrial, commercial, and consumer applications, providing reliable load distribution, surface protection, and joint stability. Superior Washer & Gasket Corp supplies standard flat washers in a comprehensive range of sizes and materials-including steel, stainless steel, brass, aluminum, copper, and nylon-from one of the largest domestic washer inventories available.

As an ISO 9001:2015 certified washer manufacturer, we maintain broad inventory of standard washers for fast delivery and offer custom washer production for non-standard sizes and materials. Whether you need standard SAE or USS washers or custom flat washers in specialty materials, our washer supply capabilities deliver consistent quality made in the U.S.A.

  • SAE and USS standard washer sizes in stock
  • Steel, stainless steel, brass, aluminum, and nylon options
  • Custom standard and special washers available
  • ISO 9001:2015 certified quality management
  • Made in the U.S.A. with fast delivery

Filter products

Showing 501–550 of 1,322 products

SKU ID OD Thickness Material Quantity Actions

N401P9

ID 0.198
OD 0.401
Thickness 0.036
Material Brass
Quantity

N401P90

ID 3.105
OD 6.98
Thickness 0.344
Material Brass
Quantity

N401P9C

ID 0.198
OD 0.401
Thickness 0.036
Material Brass
Quantity

N401P9C11

ID 0.198
OD 0.401
Thickness 0.036
Material Brass
Quantity

N402AP11B

ID 0.276
OD 0.495
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402AP18B11

ID 0.807
OD 1.368
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402AP33B

ID 0.089
OD 0.245
Thickness 0.028
Material 1008/1010 STEEL
Quantity

N402AP39B

ID 0.203
OD 0.562
Thickness 0.036
Material 1008/1010 STEEL
Quantity

N402AP4

ID 0.104
OD 0.214
Thickness 0.022
Material 1008/1010 STEEL
Quantity

N402AP41B6

ID 0.276
OD 0.727
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402AP42B6

ID 0.334
OD 0.868
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402AP43B11

ID 0.401
OD 0.993
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402AP45

ID 0.526
OD 1.243
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402AP45B6

ID 0.526
OD 1.243
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402AP48

ID 0.805
OD 1.993
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402AP5B

ID 0.12
OD 0.245
Thickness 0.028
Material 1008/1010 STEEL
Quantity

N402AP6B6

ID 0.136
OD 0.276
Thickness 0.028
Material 1008/1010 STEEL
Quantity

N402P1

ID 0.063
OD 0.12
Thickness 0.022
Material 1008/1010 STEEL
Quantity

N402P10

ID 0.229
OD 0.433
Thickness 0.036
Material 1008/1010 STEEL
Quantity

N402P10B

ID 0.229
OD 0.433
Thickness 0.036
Material 1008/1010 STEEL
Quantity

N402P10B6

ID 0.229
OD 0.433
Thickness 0.036
Material 1008/1010 STEEL
Quantity

N402P11

ID 0.271
OD 0.49
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P11B

ID 0.271
OD 0.49
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P11B13

ID 0.271
OD 0.49
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P11B6

ID 0.271
OD 0.49
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P11C

ID 0.271
OD 0.49
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P11C6

ID 0.271
OD 0.49
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P11E

ID 0.271
OD 0.49
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P12

ID 0.334
OD 0.615
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P12B

ID 0.334
OD 0.615
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P12B6

ID 0.334
OD 0.615
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P12C

ID 0.334
OD 0.615
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P12C6

ID 0.334
OD 0.615
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P13

ID 0.396
OD 0.74
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P13B

ID 0.396
OD 0.74
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P13B6

ID 0.396
OD 0.74
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P13C

ID 0.396
OD 0.74
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P13C6

ID 0.396
OD 0.74
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402P14

ID 0.459
OD 0.865
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P14B6

ID 0.459
OD 0.865
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P15

ID 0.521
OD 0.99
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P15B

ID 0.521
OD 0.99
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P15C6

ID 0.521
OD 0.99
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P16

ID 0.584
OD 1.115
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P16B

ID 0.594
OD 1.125
Thickness 0.056
Material 1008/1010 STEEL
Quantity

N402P17

ID 0.646
OD 1.24
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402P17B

ID 0.646
OD 1.24
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402P18

ID 0.792
OD 1.355
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402P18B

ID 0.792
OD 1.355
Thickness 0.09
Material 1008/1010 STEEL
Quantity

N402P19

ID 0.918
OD 1.48
Thickness 0.09
Material 1008/1010 STEEL
Quantity

YouTube iFrame