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 851–900 of 1,322 products

SKU ID OD Thickness Material Size Quantity Actions

S-1/2USS

ID 0.562
OD 1.375
Thickness Not available
Material Steel Zinc
Size 1/2
Quantity

S-1/4TYAN

ID 0.281
OD 0.625
Thickness 0.065
Material Steel
Size 1/4
Quantity

S-1/4TYAW

ID 0.312
OD 0.734
Thickness 0.065
Material Steel
Size 1/4
Quantity

S-1/4TYBN

ID 0.281
OD 0.5
Thickness 0.063
Material Steel
Size 1/4
Quantity

S-1/4TYBR

ID 0.281
OD 0.734
Thickness 0.063
Material Steel
Size 1/4
Quantity

S-1/4TYBW

ID 0.281
OD 1.0
Thickness 0.063
Material Steel
Size 1/4
Quantity

S-1/4USS

ID 0.312
OD 0.75
Thickness Not available
Material Steel Zinc
Size 1/4 (#14)
Quantity

S-10MSZ

ID 0.203
OD 0.438
Thickness 0.032
Material Steel Zinc Plated
Size 00
Quantity

S-10TYA

ID 0.219
OD 0.5
Thickness 0.049
Material Steel
Size 10
Quantity

S-10TYBN

ID 0.203
OD 0.406
Thickness 0.04
Material Steel
Size 10
Quantity

S-10TYBR

ID 0.203
OD 0.562
Thickness 0.04
Material Steel
Size 10
Quantity

S-10TYBW

ID 0.203
OD 0.734
Thickness 0.063
Material Steel
Size 10
Quantity

S-10USS

ID 0.25
OD 0.562
Thickness Not available
Material Steel Zinc
Size 3/16 (#10)
Quantity

S-12MSZ

ID 0.227
OD 0.5
Thickness 0.048
Material Steel Zinc Plated
Size 00
Quantity

S-12TYA

ID 0.25
OD 0.562
Thickness 0.065
Material Steel
Size 12
Quantity

S-12TYBN

ID 0.234
OD 0.438
Thickness 0.04
Material Steel
Size 12
Quantity

S-12TYBR

ID 0.234
OD 0.625
Thickness 0.063
Material Steel
Size 12
Quantity

S-12TYBW

ID 0.234
OD 0.875
Thickness 0.063
Material Steel
Size 12
Quantity

S-14MSZ

ID 0.265
OD 0.562
Thickness 0.048
Material Steel Zinc Plated
Size 00
Quantity

S-1TYBN

ID 0.084
OD 0.156
Thickness 0.025
Material Steel
Size 1
Quantity

S-1TYBR

ID 0.084
OD 0.219
Thickness 0.025
Material Steel
Size 1
Quantity

S-1TYBW

ID 0.084
OD 0.281
Thickness 0.032
Material Steel
Size 1
Quantity

S-2-1/2TYA

ID 2.625
OD 5.0
Thickness 0.238
Material Steel
Size 2-1/2
Quantity

S-2-1/2TYBN

ID 2.625
OD 4.5
Thickness 0.25
Material Steel
Size 2-1/2
Quantity

S-2-1/2TYBR

ID 2.625
OD 5.5
Thickness 0.375
Material Steel
Size 2-1/2
Quantity

S-2-1/2TYBW

ID 2.625
OD 6.0
Thickness 0.375
Material Steel
Size 2-1/2
Quantity

S-2-1/4TYA

ID 2.375
OD 4.75
Thickness 0.22
Material Steel
Size 2-1/4
Quantity

S-2-1/4TYBN

ID 2.375
OD 4.0
Thickness 0.25
Material Steel
Size 2-1/4
Quantity

S-2-1/4TYBR

ID 2.375
OD 5.0
Thickness 0.25
Material Steel
Size 2-1/4
Quantity

S-2-1/4TYBW

ID 2.375
OD 5.5
Thickness 0.375
Material Steel
Size 2-1/4
Quantity

S-2-3/4TYA

ID 2.875
OD 5.25
Thickness 0.259
Material Steel
Size 2-3/4
Quantity

S-2-3/4TYBN

ID 2.875
OD 5.0
Thickness 0.25
Material Steel
Size 2-3/4
Quantity

S-2-3/4TYBR

ID 2.875
OD 6.0
Thickness 0.375
Material Steel
Size 2-3/4
Quantity

S-2-3/4TYBW

ID 2.875
OD 6.5
Thickness 0.375
Material Steel
Size 2-3/4
Quantity

S-2.0TYA

ID 2.125
OD 4.5
Thickness 0.18
Material Steel
Size 2
Quantity

S-2.0TYBN

ID 2.125
OD 3.75
Thickness 0.25
Material Steel
Size 2.000
Quantity

S-2.0TYBR

ID 2.155
OD 4.5
Thickness 0.25
Material Steel
Size 2.000
Quantity

S-2.0TYBW

ID 2.125
OD 5.0
Thickness 0.25
Material Steel
Size 2.000
Quantity

S-2MSZ

ID 0.092
OD 0.219
Thickness 0.018
Material Steel Zinc Plated
Size 00
Quantity

S-2TYA

ID 0.094
OD 0.25
Thickness 0.02
Material Steel
Size 2
Quantity

S-2TYBN

ID 0.094
OD 0.188
Thickness 0.025
Material Steel
Size 2
Quantity

S-2TYBR

ID 0.094
OD 0.25
Thickness 0.032
Material Steel
Size 2
Quantity

S-2TYBW

ID 0.094
OD 0.344
Thickness 0.032
Material Steel
Size 2
Quantity

S-3.0TYA

ID 3.125
OD 5.5
Thickness 0.284
Material Steel
Size 3
Quantity

S-3.0TYBN

ID 3.125
OD 5.5
Thickness 0.375
Material Steel
Size 2.000
Quantity

S-3.0TYBR

ID 3.125
OD 6.5
Thickness 0.375
Material Steel
Size 3.000
Quantity

S-3.0TYBW

ID 3.125
OD 7.0
Thickness 0.375
Material Steel
Size 3.000
Quantity

S-3/16TYA

ID 0.25
OD 0.562
Thickness 0.049
Material Steel
Size 3/16
Quantity

S-3/4TYAN

ID 0.812
OD 1.469
Thickness 0.134
Material Steel
Size 3/4
Quantity

S-3/4TYAW

ID 0.812
OD 2.0
Thickness 0.148
Material Steel
Size 3/4
Quantity

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