Washer Seals | McMaster-Carr

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ID

OD

System of Measurement

Material

Stainless Steel

Width

Cross Section Shape

Color

Screw Size

Dash Number

Thickness

0.018" to 0.025"

0.019" to 0.043"

0.021" to 0.041"

0.024" to 0.038"

0.026" to 0.036"

0.033" to 0.047"

0.035" to 0.045"

0.035" to 0.070"

0.036" to 0.044"

0.036" to 0.056"

0.042" to 0.052"

0.043" to 0.057"

0.045" to 0.055"

0.046" to 0.078"

0.047" to 0.077"

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Hardness Rating

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Washer Type

Core Material

Fractional ID

Environment

Food and Beverage

Fractional Width

Fractional OD

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to 0° F

Greater than 0° F

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Specifications Met

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12,380 Products

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

10,733 products

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

Hose Washers

Place inside nozzles and spigots to prevent leaks in an attached hose

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Facility and Grounds Maintenance

Faucet Washers

Seal faucet components so they don’t leak

Sink Drain Fitting Washers

Sink Drain Fitting Washers

Replace the washers in sink drain fittings

Electrical

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)