Piston Seals | McMaster-Carr

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For Sealing

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Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 499° F

500° F or greater

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REACH

DFARS Specialty Metals

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Minimum Temperature

-250° F or less

-249° F to -50° F

-49° F to -25° F

-24° F to 0° F

Greater than 0° F

O-Ring Dash Number Equivalent

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411 Products

Sealing

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

Spring-Loaded Seals

Spring-Loaded Seals

Seal rods and pistons with a wider range of temperature and chemical resistance than U-cup seals

Wear Rings

Guide rods and pistons to prevent uneven wear and extend the life of seals

Wear Ring Stock

Wear Ring Stock

Cut to make wear rings that fit any rod or bore to prevent uneven wear and extend the life of seals

Power Transmission

Hydraulic Cylinder Seals

Hydraulic Cylinder Seals

Replace seals on the piston or rod end of hydraulic cylinders

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