Durometer 70A O-Rings | McMaster-Carr

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System of Measurement

ID

Width

OD

Cross Section Shape

Dash Number

Material

Molybdenum Disulfide

Silicon Carbide

Stainless Steel

Color

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Liquid Insecticides

Synthetic Lubricants

Transmission Fluid

Hardness Rating

Fractional Width

Fractional ID

Fractional OD

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

Core Material

Silicone Rubber

Specifications Met

NFPA (National Fluid Power Association) Standard

Thickness

Seal ID

Minimum Temperature

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

RoHS

Compliant with Exemptions

Performance

Chemical Resistant

High Temperature

Highly Corrosion Resistant

Metal Detectable

Steam Resistant

Water Resistant

Weather Resistant

X-Ray Detectable

REACH

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

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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8,382 Products

Sealing

O-Rings

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

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

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Buffering Seals

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

Cord Stock

Cut to length to create customized seals

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Hose Washers

Place inside nozzles and spigots to prevent leaks in an attached hose

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

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