Ring Gaskets | McMaster-Carr

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Aramid/PTFE Fiber

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For Use With

Ball Joint Rod Ends

Diluted Salt Solutions

Faucet Sprayers

Fluorinated Solvents

Liquid Insecticides

Hardness Rating

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

Thickness

0.018" to 0.025"

0.019" to 0.043"

0.021" to 0.041"

0.024" to 0.038"

0.026" to 0.036"

0.033" to 0.047"

0.035" to 0.045"

0.035" to 0.070"

0.036" to 0.044"

0.036" to 0.056"

0.042" to 0.052"

0.043" to 0.057"

Shape

Ring with Bolt Holes

Ring with Tines

Pipe Size

Fractional Width

Core Material

Fractional ID

For Flange ANSI Class

Minimum Temperature

-250° F or less

-249° F to -200° F

-199° F to -100° F

-99° F to 0° F

Greater than 0° F

Fractional OD

REACH

Seal ID

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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15,719 Products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Hose Coupling Gaskets

Hose Coupling Gaskets

Form tight seals on cam-and-groove, grip-lock, and twist-claw hose connections

Boiler Gaskets

Resist heat and steam to form a leak-resistant seal around closures on boilers

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

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

Manway Gaskets

Create a tight seal between the nozzle and lid of tank car manways

O-Rings

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

10,733 products

Backup Rings

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

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Packing Seals

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

Packing Seal Lubricating Rings

Packing Seal Lubricating Rings

Install between layers of packing seals to distribute lubricants evenly; also known as lantern rings

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

Head Seals

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

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

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Buffering Seals

Buffering Seals

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Spring-Loaded Seals

Spring-Loaded Seals

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

Cushioning Seals

Cushioning Seals

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

Shaft Repair Sleeves

Shaft Repair Sleeves

Cover worn shafts with a smooth and protective sealing surface without machining

Piston Seals

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

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Facility and Grounds Maintenance

Toilet Sealing Rings

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

Toilet Tank-to-Bowl Gaskets

Toilet Tank-to-Bowl Gaskets

Create a tight seal between a toilet tank and bowl

Toilet Spuds

Connect wall-mount toilets to a flush valve

Urinal Sealing Rings

Urinal Sealing Rings

Prevent leaks where urinals mount to the wall

Urinal Spuds

Connect wall-mount urinals to a flush valve

Urinal Flanges

Connect a urinal to your drainage system

Flush Valve Replacement Parts

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

Power Transmission

Hydraulic Cylinder Seals

Hydraulic Cylinder Seals

Replace seals on the piston or rod end of hydraulic cylinders

Cylinder Rod Glands

Cylinder Rod Glands

Replace the rod gland on hydraulic cylinders

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

Measuring and Inspecting

O-Ring Gauges

Identify the size of your O-ring

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

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