Round Rings | McMaster-Carr

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System of Measurement

OD

Material

Beryllium Copper

Molybdenum Disulfide

Retaining Ring Type

ID

Groove Diameter

Retaining Ring Style

Constant Section

Seal ID

Ring Thickness

Seal OD

Groove Width

Ring OD

Ring ID

Seal Width

Shaft Diameter

Finish

Corrosion-Resistant Coated

Phosphate Coated

Zinc Yellow-Chromate Plated

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Thickness

Bore Diameter

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Color

Rod Diameter

Specifications Met

Federal Specification

NFPA (National Fluid Power Association) Standard

OSHA Compliant 29 CFR 1910.184

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3,896 Products

Material Handling

Chain Rings

Join chains and add connectors for binding, towing, and lifting

Webbing Rings

Add looped connection spots

Fastening and Joining

Split Rings

Secure clevis pins, connect components, or add a pull handle; also known as key rings

Retaining Rings

Retaining Rings

Hold components on a shaft

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Sealing

Wear Rings

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

Spring-Loaded Seals

Spring-Loaded Seals

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

Piston Seals

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

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

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Cushioning Seals

Cushioning Seals

Reduce wear and noise in air-powered cylinders by blocking the piston from hitting the cylinder body

Head Seals

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

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

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

Communication

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

Facility and Grounds Maintenance

Flush Valve Replacement Parts

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

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