Double Seals | McMaster-Carr

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System of Measurement

Seal ID

Seal OD

Seal Width

Shaft Diameter

For Use With

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Calcium Hydroxide

ID

Material

Silicon Carbide

Stainless Steel

OD

Width

Bore Diameter

Dash Number

Hardness

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 399° F

400° F or greater

Rod Diameter

Color

Hardness Rating

For Sealing

Minimum Temperature

-100° F or less

-99° F to -50° F

-49° F to -25° F

-24° F to -1° F

Greater than 0° F

Maximum Pressure

Less than 100 psi

100 psi to 249 psi

250 psi to 299 psi

300 psi to 999 psi

1,000 psi or greater

Fractional ID

REACH

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

For Cylinder Type

How can we improve?

1,468 Products

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

U-Cup Seals

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Head Seals

Maintain a seal even under fluctuating pressure; more reliable than an O-ring with a backup ring

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Spring-Loaded Seals

Spring-Loaded Seals

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

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

Cord Stock

Cut to length to create customized seals

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