Gasket Rings | McMaster-Carr

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16,173 Products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube 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

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

10,684 products

Backup Rings

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

U-Cup Seals

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

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

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

Piston Seals

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

Cushioning Seals

Cushioning Seals

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Head Seals

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

Spring-Loaded Seals

Spring-Loaded Seals

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

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

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

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion where fasteners attach

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Fluid Handling

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Facility and Grounds Maintenance

Toilet Sealing Rings

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

Toilet Spuds

Connect wall-mount toilets to a flush valve

Toilet Tank-to-Bowl Gaskets

Toilet Tank-to-Bowl Gaskets

Create a tight seal between a toilet tank and bowl

Urinal Sealing Rings

Urinal Sealing Rings

Prevent leaks where urinals mount to the wall

Urinal Spuds

Connect wall-mount urinals to a flush valve

Flush Valve Replacement Parts

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

Measuring and Inspecting

O-Ring Gauges

Identify the size of your O-ring

Electrical

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Power Transmission

Cylinder Rod Glands

Cylinder Rod Glands

Replace the rod gland on hydraulic cylinders

Hydraulic Cylinder Seals

Hydraulic Cylinder Seals

Replace seals on the piston or rod end of hydraulic cylinders

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