Compression Washers | McMaster-Carr

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System of Measurement

Material

Thickness

Shaft Diameter

Screw Size

Washer Type

Hole Diameter

Height

Performance

Electrically Insulating

Working Load

1,000 lb. to 1,999 lb.

2,000 lb. to 2,999 lb.

3,000 lb. to 9,999 lb.

10,000 lb. or greater

Disc Spring Type

Compressed Height @ Working Load

Deflection @ Working Load

Color

Length

RoHS

REACH

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

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Environment

Maximum Temperature

Flat Load

1,000 lbf to 1,999 lbf

2,000 lbf to 9,999 lbf

10,000 lbf to 19,999 lbf

20,000 lbf or greater

Not Rated

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2,550 Products

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Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

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Fastening and Joining

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Prevent fluids from leaking around fasteners

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Cushion joints to dampen vibration and protect them from wear

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Isolate screws from electrical current and prevent corrosion from mating different metals

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Mount components to your enclosure without worrying about leaks

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