Oil-Resistant Sealing Washers | McMaster-Carr

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System of Measurement

Screw Size

ID

1/64" to 11/16"

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

Material

Stainless Steel

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"

0.036" to 0.044"

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"

0.052" to 0.072"

0.054" to 0.070"

Washer Type

Environment

Food and Beverage

Finish

Color

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

Hardness

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

5,000 psi to 9,999 psi

10,000 psi or greater

Application

Shape

Specifications Met

REACH

Maximum Pressure for Gases

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Pressure Rating

Seal Hardness

Minimum Temperature

-49° F to 0° F

Greater than 0° F

How can we improve?

495 Products

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Free of nooks and crannies where dirt and bacteria could collect

Sealing Washer Assortments

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

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