Bases O-Rings | McMaster-Carr

Filter by

Cross Section Shape

System of Measurement

ID

Width

Dash Number

Material

Molybdenum Disulfide

Stainless Steel

OD

Core Material

Color

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

Hardness

Hardness Rating

Fractional Width

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

Fractional ID

Core Color

Fractional OD

Food Industry Standard

3-A Certified 18-03

Specifications Met

NFPA (National Fluid Power Association) Standard

Seal ID

REACH

RoHS

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

4,293 Products

Sealing

O-Rings

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

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

Cord Stock

Cut to length to create customized seals

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Piston Seals

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

Packing Seals

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

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

Wear Rings

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

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