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 201–250 of 1,322 products

SKU ID OD Thickness Material Size ID TOL OD TOL Quantity Actions

F6-312050NM

ID 0.141
OD 0.312
Thickness 0.05
Material Fiber
Size #6
ID TOL Not available
OD TOL Not available
Quantity

F6-312062NM

ID 0.141
OD 0.312
Thickness 0.062
Material Fiber
Size #6
ID TOL Not available
OD TOL Not available
Quantity

F6-312090NM

ID 0.156
OD 0.312
Thickness 0.03
Material Fiber
Size #6
ID TOL Not available
OD TOL Not available
Quantity

F6-375062NM

ID 0.141
OD 0.375
Thickness 0.062
Material Fiber
Size #6
ID TOL Not available
OD TOL Not available
Quantity

F8-375030NM

ID 0.187
OD 0.375
Thickness 0.03
Material Fiber
Size #8
ID TOL Not available
OD TOL Not available
Quantity

F8-375031NM

ID 0.17
OD 0.375
Thickness 0.031
Material Fiber
Size #8
ID TOL Not available
OD TOL Not available
Quantity

F8-375062NM

ID 0.17
OD 0.375
Thickness 0.062
Material Fiber
Size #8
ID TOL Not available
OD TOL Not available
Quantity

LARS-1

ID 0.135
OD 0.234
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LARS-2

ID 0.193
OD 0.375
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LARS-3

ID 0.255
OD 0.5
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LARS-4

ID 0.38
OD 0.625
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LARS-5

ID 0.312
OD 0.37
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LARS-6

ID 0.375
OD 0.498
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LARS-7

ID 0.437
OD 0.623
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LARS-8

ID 0.687
OD 0.873
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LAS2-125

ID 0.135
OD 0.234
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LAS2-187

ID 0.193
OD 0.375
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LAS2-250

ID 0.255
OD 0.5
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LAS2-375

ID 0.38
OD 0.625
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LAS3-375

ID 0.312
OD 0.37
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LAS3-500

ID 0.375
OD 0.498
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LAS3-625

ID 0.437
OD 0.623
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LAS3-875

ID 0.687
OD 0.873
Thickness 0.032
Material Laminated Aluminum .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBRS-1

ID 0.135
OD 0.234
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL Not available
OD TOL Not available
Quantity

LBRS-2

ID 0.193
OD 0.375
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBRS-3

ID 0.255
OD 0.5
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBRS-4

ID 0.38
OD 0.625
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBRS-5

ID 0.312
OD 0.37
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBRS-6

ID 0.375
OD 0.498
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBRS-7

ID 0.437
OD 0.623
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBRS-8

ID 0.687
OD 0.873
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBS2-125

ID 0.135
OD 0.234
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBS2-187

ID 0.193
OD 0.375
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBS2-250

ID 0.255
OD 0.5
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBS2-375

ID 0.38
OD 0.625
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBS3-375

ID 0.312
OD 0.37
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBS3-500

ID 0.375
OD 0.498
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBS3-625

ID 0.437
OD 0.623
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

LBS3-875

ID 0.687
OD 0.873
Thickness 0.032
Material Laminated Brass .002 Lam
Size Not available
ID TOL .005
OD TOL -.005
Quantity

N0-125010NM

ID 0.068
OD 0.125
Thickness 0.01
Material Nylon
Size #0
ID TOL Not available
OD TOL Not available
Quantity

N1-156015NM

ID 0.084
OD 0.156
Thickness 0.015
Material Nylon
Size #1
ID TOL Not available
OD TOL Not available
Quantity

N10-375031NM

ID 0.196
OD 0.375
Thickness 0.031
Material Nylon
Size #8
ID TOL Not available
OD TOL Not available
Quantity

N10-375062NM

ID 0.196
OD 0.375
Thickness 0.062
Material Nylon
Size #10
ID TOL Not available
OD TOL Not available
Quantity

N10-437030NM

ID 0.218
OD 0.437
Thickness 0.03
Material Nylon
Size #10
ID TOL Not available
OD TOL Not available
Quantity

N10-437031NM

ID 0.196
OD 0.437
Thickness 0.031
Material Nylon
Size #10
ID TOL Not available
OD TOL Not available
Quantity

N10-437062NM

ID 0.196
OD 0.437
Thickness 0.062
Material Nylon
Size #10
ID TOL Not available
OD TOL Not available
Quantity

N12-500030NM

ID 0.227
OD 0.5
Thickness 0.03
Material Nylon
Size #10
ID TOL Not available
OD TOL Not available
Quantity

N14-500030NM

ID 0.281
OD 0.5
Thickness 0.03
Material Nylon
Size 0.25
ID TOL Not available
OD TOL Not available
Quantity

N14-500031NM

ID 0.253
OD 0.5
Thickness 0.031
Material Nylon
Size #12
ID TOL Not available
OD TOL Not available
Quantity

N14-500062NM

ID 0.253
OD 0.5
Thickness 0.062
Material Nylon
Size 0.25
ID TOL Not available
OD TOL Not available
Quantity

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