High Temperature Sealing Washers | McMaster-Carr

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Screw Size

Material

Stainless Steel

OD

ID

1/64" to 11/16"

1/64" to 1 1/4"

1/64" to 1 1/2"

System of Measurement

Thickness

0.019" to 0.043"

0.021" to 0.041"

0.026" to 0.036"

0.035" to 0.045"

0.035" to 0.070"

0.042" to 0.052"

0.045" to 0.055"

0.047" to 0.109"

0.052" to 0.072"

0.054" to 0.070"

0.059" to 0.069"

0.078" to 0.105"

0.083" to 0.103"

Washer Type

Environment

Food and Beverage

Color

Maximum Temperature

300° F to 499° F

500° F to 999° F

1,000° F or greater

Hardness

Application

Enclosure Rating

Seal Hardness

For Use With

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

Food Industry Standard

3-A Certified 18-03

Maximum Pressure for Fluids

Less than 3,000 psi

3,000 psi to 3,999 psi

4,000 psi to 4,999 psi

REACH

Maximum Pressure for Gases

RoHS

DFARS Specialty Metals

Shape

Pressure Rating

Export Control Classification Number (ECCN)

How can we improve?

371 Products

Sealing Washers

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

High-Pressure Bonded Sealing Washers

High-Pressure Bonded Sealing Washers

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

Sanitary Bonded Sealing Washers

Sanitary Bonded Sealing Washers

Free of nooks and crannies where dirt and bacteria could collect

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

Insulating Washers

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

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