Chemical Resistant Sealing Washers | McMaster-Carr

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Screw Size

Material

Stainless Steel

ID

OD

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"

Washer Type

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

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

Application

Maximum Pressure for Gases

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to 0° F

Greater than 0° F

RoHS

Shape

Seal Hardness

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

Food Industry Standard

3-A Certified 18-03

Pressure Rating

Hardness Rating

How can we improve?

282 Products

Sealing Washers

Sealing Washers

Sealing Washers

Choose from rubber, PTFE, hard fiber, or metal

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

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Cushion joints to dampen vibration and protect them from wear

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Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

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