Sealing Washers | McMaster-Carr

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System of Measurement

ID

1/64" to 11/16"

1/64" to 23/32"

OD

Screw Size

Material

Stainless Steel

Thickness

0.010" to 0.020"

0.014" to 0.016"

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"

0.028" to 0.034"

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"

0.041" to 0.051"

Washer Type

Color

Width

Cross Section Shape

Environment

Food and Beverage

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrically Insulating

High Temperature

Low Temperature

Metal Detectable

Moisture Resistant

Hardness

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

1,000° F or greater

Dash Number

Hardness Rating

Finish

Shape

RoHS

Compliant with Exemptions

REACH

Fractional ID

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Seal Material

Silicone Rubber

How can we improve?

12,985 Products

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

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

10,794 products

Hose Washers

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

Fluid Handling

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

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

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