Washer Seals | McMaster-Carr

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System of Measurement

ID

OD

Material

Silicon Carbide

Stainless Steel

Width

Cross Section Shape

Dash Number

Screw Size

Color

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"

0.047" to 0.109"

0.049" to 0.079"

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Liquid Insecticides

Synthetic Lubricants

Transmission Fluid

Hardness Rating

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Crush Resistant

High Temperature

Impact Resistant

Low Temperature

Metal Detectable

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

Environment

Food and Beverage

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

Fractional Width

RoHS

Compliant with Exemptions

Specifications Met

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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16,149 Products

Sealing Washers

Sealing Washers

Sealing Washers

Choose from rubber, PTFE, hard fiber, or metal

Bonded Sealing Washers

Bonded Sealing Washers

Two layers create a stronger seal than metal or rubber alone

Washdown Bonded Sealing Washers

Washdown Bonded Sealing Washers

NEMA or IP rated to maintain the washdown rating of your enclosure

High-Pressure Bonded Sealing Washers

High-Pressure Bonded Sealing Washers

Prevent leaks in pumps, hydraulic systems, and other pressurized lines

Sealing Washer Assortments

Sealing Washer Assortments

A collection of common sizes to prevent leaks around nuts and screws

Sanitary Bonded Sealing Washers

Sanitary Bonded Sealing Washers

Free of nooks and crannies where dirt and bacteria could collect

Other Products

O-Rings

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

13,722 products

Faucet Washers

Seal faucet components so they don’t leak

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

Tube Fitting Rings

Tube Fitting Rings

Snap onto push-to-connect fittings to identify different tubing lines

Spacers

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

Sink Drain Fitting Washers

Sink Drain Fitting Washers

Replace the washers in sink drain fittings

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Conduit Reducing Washers

Conduit Reducing Washers

Shrink knockout sizes in outlet boxes or enclosures to connect smaller conduit

Cord Stock

Cut to length to create customized seals

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

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