Brown O-Rings | McMaster-Carr

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Dash Number

System of Measurement

Width

ID

Material

Hardness

OD

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Calcium Hydroxide

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

Hardness Rating

Minimum Temperature

-250° F or less

-249° F to -100° F

-49° F to -1° F

Greater than 0° F

Fractional ID

Fractional Width

Specifications Met

Fractional OD

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

Seal OD

Shaft Diameter

Seal Width

Performance

How can we improve?

490 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

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

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

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

Power Transmission

Round Belts

Flexible to send rotary power between unparallel shafts

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