Metal Sealing Washers | McMaster-Carr

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Material

Stainless Steel

Finish

System of Measurement

Screw Size

ID

OD

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"

Washer Type

Environment

Food and Beverage

Performance

Chemical Resistant

Corrosion Resistant

High Temperature

Weather Resistant

Seal Material

Silicone Rubber

Color

Width

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

1,000° F or greater

Cross Section Shape

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

Length

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Hardness

Application

Shape

RoHS

Enclosure Rating

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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533 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

High-Pressure Bonded Sealing Washers

High-Pressure Bonded Sealing Washers

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

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

Spacers

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

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

O-Rings

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

Grommets

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

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