Chemical Resistant Sealing Washers | McMaster-Carr

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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"

System of Measurement

Environment

Food and Beverage

Color

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

Hardness

For Use With

Application

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

Shape

RoHS

Seal Hardness

REACH

Maximum Pressure for Gases

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Hardness Rating

Pressure Rating

Food Industry Standard

3-A Certified 18-03

How can we improve?

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