Buna-N Tri-Clamp Tube Gaskets | McMaster-Carr

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6,425 Products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Hose Coupling Gaskets

Hose Coupling Gaskets

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

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Made-to-Order Gaskets

Made-to-Order Gaskets

Send your exact specifications to get gaskets that fit precisely between surfaces

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

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

Backup Rings

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

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

U-Cup Seals

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

Piston Seals

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

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Buffering Seals

Buffering Seals

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

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

Fluid Handling

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Raw Materials

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

Building and Machinery Hardware

Grommets

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

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

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

Power Transmission

Rod End Seals

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

Heating, Ventilation, and Air Conditioning

Pipe Insulation

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

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