Gray O-Rings | McMaster-Carr

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System of Measurement

Seal ID

Seal OD

Seal Width

Bore Diameter

For Use With

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Shaft Diameter

Material

316 Stainless Steel

Molybdenum Disulfide

Rod Diameter

ID

OD

Width

For Sealing

Loaded Type

T-Profile O-Ring

Color

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

1,000° F or greater

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 9,999 psi

10,000 psi or greater

For Cylinder Type

For Shaft Motion

Hardness Rating

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

Groove Diameter

REACH

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

213 Products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Wear Rings

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

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

Buffering Seals

Buffering Seals

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

Piston Seals

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

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