Metal Sealing Washers | McMaster-Carr

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Material

Stainless Steel

Finish

System of Measurement

Screw Size

ID

1/64" to 1 1/8"

1/64" to 1 1/2"

1/32" to 1 3/4"

1/32" to 2 7/8"

OD

Washer Type

Thickness

0.018" to 0.025"

0.024" to 0.038"

0.033" to 0.047"

0.035" to 0.045"

0.036" to 0.044"

0.042" to 0.052"

0.043" to 0.057"

0.045" to 0.055"

0.047" to 0.109"

0.055" to 0.069"

0.059" to 0.069"

0.065" to 0.100"

0.068" to 0.078"

0.071" to 0.086"

0.072" to 0.082"

0.073" to 0.083"

Environment

Food and Beverage

Performance

Chemical Resistant

Corrosion Resistant

High Temperature

Weather Resistant

Color

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Width

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

Seal Material

Silicone Rubber

Hardness

Cross Section Shape

Application

Pipe Size

Shape

Length

Maximum Pressure for Fluids

Less than 3,000 psi

3,000 psi to 3,999 psi

4,000 psi to 4,999 psi

5,000 psi to 9,999 psi

10,000 psi or greater

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

599 Products

Sealing Washers

Bonded Sealing Washers

Bonded Sealing Washers

Two layers create a stronger seal than metal or rubber alone

High-Pressure Bonded Sealing Washers

High-Pressure Bonded Sealing Washers

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

Sealing Washers

Sealing Washers

Choose from rubber, PTFE, hard fiber, or metal

Washdown Bonded Sealing Washers

Washdown Bonded Sealing Washers

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

Sanitary Bonded Sealing Washers

Sanitary Bonded Sealing Washers

Free of nooks and crannies where dirt and bacteria could collect

Sealing Washer Assortments

Sealing Washer Assortments

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

Other Products

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

O-Rings

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

Spacers

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

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Grommets

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

Hose Washers

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

Vibration-Damping Mounts

Vibration-Damping Mounts

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

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