Chemical Resistant Sealing Washers | McMaster-Carr

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System of Measurement

Screw Size

Material

Stainless Steel

ID

OD

Washer Type

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"

0.052" to 0.072"

0.059" to 0.069"

0.068" to 0.078"

0.068" to 0.088"

0.072" to 0.082"

0.077" to 0.087"

Environment

Food and Beverage

Color

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

Hardness

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Width

Cross Section Shape

Application

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

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

RoHS

REACH

Pressure Rating

Maximum Pressure for Gases

DFARS Specialty Metals

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

Export Control Classification Number (ECCN)

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