Dowty Washers | McMaster-Carr

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Fabrication

System of Measurement

Screw Size

Material

Stainless Steel

OD

ID

Thickness

0.035" to 0.045"

0.036" to 0.044"

0.042" to 0.052"

0.045" to 0.055"

0.047" to 0.109"

0.059" to 0.069"

0.065" to 0.100"

0.068" to 0.078"

0.072" to 0.082"

0.073" to 0.083"

0.077" to 0.087"

0.078" to 0.126"

0.082" to 0.098"

Washer Type

Environment

Food and Beverage

Performance

Chemical Resistant

Corrosion Resistant

High Temperature

Weather Resistant

Color

Finish

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

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

For Use With

Hardness

Application

Seal Hardness

Enclosure Rating

Maximum Pressure for Gases

RoHS

REACH

Shape

Minimum Temperature

-249° F to -100° F

-99° F to -50° F

-49° F to 0° F

Greater than 0° F

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

246 Products

Sealing Washers

Bonded Sealing Washers

Bonded Sealing Washers

Two layers create a stronger seal than metal or rubber alone

High-Pressure Bonded Sealing Washers

High-Pressure Bonded Sealing Washers

Prevent leaks in pumps, hydraulic systems, and other pressurized lines

Washdown Bonded Sealing Washers

Washdown Bonded Sealing Washers

NEMA or IP rated to maintain the washdown rating of your enclosure

Sanitary Bonded Sealing Washers

Sanitary Bonded Sealing Washers

Free of nooks and crannies where dirt and bacteria could collect

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