High-Temperature Sealing Washers | McMaster-Carr

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System of Measurement

Screw Size

OD

Material

Stainless Steel

ID

1/64" to 11/16"

1/64" to 1 1/4"

1/64" to 1 1/2"

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"

0.115" to 0.135"

0.9 mm to 1.1 mm

1.1 mm to 1.4 mm

Washer Type

Environment

Food and Beverage

Color

Maximum Temperature

300° F to 399° F

400° F to 499° F

500° F or greater

Hardness

Enclosure Rating

Application

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

For Use With

Maximum Pressure for Fluids

Less than 3,000 psi

3,000 psi to 3,999 psi

4,000 psi to 4,999 psi

Seal Hardness

Shape

REACH

Maximum Pressure for Gases

DFARS Specialty Metals

RoHS

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

Pressure Rating

Export Control Classification Number (ECCN)

How can we improve?

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High-Pressure Bonded Sealing Washers

High-Pressure Bonded Sealing Washers

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Sanitary Bonded Sealing Washers

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Free of nooks and crannies where dirt and bacteria could collect

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