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

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Showing 301–350 of 1,322 products

SKU ID OD Thickness Material Quantity Actions

N400P28

ID 2.605
OD 4.48
Thickness 0.219
Material Stainless Steel
Quantity

N400P29

ID 2.855
OD 4.98
Thickness 0.219
Material Stainless Steel
Quantity

N400P3

ID 0.089
OD 0.183
Thickness 0.022
Material Stainless Steel
Quantity

N400P30

ID 3.105
OD 5.48
Thickness 0.344
Material Stainless Steel
Quantity

N400P31

ID 0.063
OD 0.183
Thickness 0.022
Material Stainless Steel
Quantity

N400P32

ID 0.079
OD 0.214
Thickness 0.022
Material Stainless Steel
Quantity

N400P33

ID 0.089
OD 0.245
Thickness 0.028
Material Stainless Steel
Quantity

N400P34

ID 0.104
OD 0.307
Thickness 0.028
Material Stainless Steel
Quantity

N400P35

ID 0.12
OD 0.37
Thickness 0.036
Material Stainless Steel
Quantity

N400P36

ID 0.136
OD 0.401
Thickness 0.036
Material Stainless Steel
Quantity

N400P37

ID 0.151
OD 0.433
Thickness 0.036
Material Stainless Steel
Quantity

N400P38

ID 0.183
OD 0.495
Thickness 0.036
Material Stainless Steel
Quantity

N400P39

ID 0.198
OD 0.557
Thickness 0.036
Material Stainless Steel
Quantity

N400P39B

ID 0.198
OD 0.557
Thickness 0.036
Material Stainless Steel
Quantity

N400P4

ID 0.104
OD 0.214
Thickness 0.022
Material Stainless Steel
Quantity

N400P40

ID 0.229
OD 0.62
Thickness 0.056
Material Stainless Steel
Quantity

N400P41

ID 0.271
OD 0.74
Thickness 0.056
Material Stainless Steel
Quantity

N400P42

ID 0.334
OD 0.865
Thickness 0.056
Material Stainless Steel
Quantity

N400P43

ID 0.396
OD 0.99
Thickness 0.056
Material Stainless Steel
Quantity

N400P44

ID 0.459
OD 1.115
Thickness 0.056
Material Stainless Steel
Quantity

N400P45

ID 0.521
OD 1.24
Thickness 0.09
Material Stainless Steel
Quantity

N400P46

ID 0.584
OD 1.49
Thickness 0.09
Material Stainless Steel
Quantity

N400P47

ID 0.646
OD 1.74
Thickness 0.09
Material Stainless Steel
Quantity

N400P48

ID 0.792
OD 1.98
Thickness 0.09
Material Stainless Steel
Quantity

N400P49

ID 0.918
OD 2.23
Thickness 0.14
Material Stainless Steel
Quantity

N400P5

ID 0.12
OD 0.245
Thickness 0.028
Material Stainless Steel
Quantity

N400P50

ID 1.042
OD 2.48
Thickness 0.14
Material Stainless Steel
Quantity

N400P51

ID 1.168
OD 2.73
Thickness 0.14
Material Stainless Steel
Quantity

N400P52

ID 1.292
OD 2.98
Thickness 0.14
Material Stainless Steel
Quantity

N400P53

ID 1.418
OD 3.23
Thickness 0.14
Material Stainless Steel
Quantity

N400P54

ID 1.542
OD 3.48
Thickness 0.219
Material Stainless Steel
Quantity

N400P55

ID 1.855
OD 3.98
Thickness 0.219
Material Stainless Steel
Quantity

N400P56

ID 2.105
OD 4.48
Thickness 0.219
Material Stainless Steel
Quantity

N400P57

ID 2.355
OD 4.98
Thickness 0.219
Material Stainless Steel
Quantity

N400P58

ID 2.605
OD 5.48
Thickness 0.344
Material Stainless Steel
Quantity

N400P59

ID 2.855
OD 5.98
Thickness 0.344
Material Stainless Steel
Quantity

N400P6

ID 0.136
OD 0.276
Thickness 0.028
Material Stainless Steel
Quantity

N400P60

ID 3.105
OD 6.48
Thickness 0.344
Material Stainless Steel
Quantity

N400P61

ID 0.063
OD 0.245
Thickness 0.022
Material Stainless Steel
Quantity

N400P62

ID 0.079
OD 0.276
Thickness 0.028
Material Stainless Steel
Quantity

N400P63

ID 0.089
OD 0.339
Thickness 0.028
Material Stainless Steel
Quantity

N400P64

ID 0.104
OD 0.401
Thickness 0.036
Material Stainless Steel
Quantity

N400P65

ID 0.12
OD 0.433
Thickness 0.036
Material Stainless Steel
Quantity

N400P66

ID 0.136
OD 0.495
Thickness 0.036
Material Stainless Steel
Quantity

N400P67

ID 0.151
OD 0.557
Thickness 0.036
Material Stainless Steel
Quantity

N400P68

ID 0.183
OD 0.62
Thickness 0.056
Material Stainless Steel
Quantity

N400P69

ID 0.198
OD 0.745
Thickness 0.056
Material Stainless Steel
Quantity

N400P7

ID 0.151
OD 0.307
Thickness 0.028
Material Stainless Steel
Quantity

N400P70

ID 0.229
OD 0.87
Thickness 0.056
Material Stainless Steel
Quantity

N400P71

ID 0.271
OD 0.99
Thickness 0.056
Material Stainless Steel
Quantity

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