Black Gaskets | McMaster-Carr

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DFARS Specialty Metals

17,736 Products

Most Likely Products

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

389 products

Edge Seals

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

504 products

O-Rings

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

8,808 products

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

1,585 products

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

176 products

Rubber

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

2,766 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

148 products

All Results

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

389 products

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

176 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

148 products

Hose Coupling Gaskets

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

45 products

Hose Washers

Place inside nozzles and spigots to prevent leaks in an attached hose

10 products

Drain Gaskets

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

3 products

Boiler Gaskets

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

41 products

Manway Gaskets

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

3 products

Made-to-Order Gaskets

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

8 products

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

3 products

Gasket Makers

Seal irregular shapes and tiny crevices by applying a bead that hardens into a gasket

17 products

Gasket Sealants

Seal gaskets on metal parts

3 products

Pipe Flashings

Create watertight seals around vent pipes on roofs, even if they expand, contract, and vibrate

6 products

O-Rings

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

8,808 products

O-Ring Cord Stock

Cut to length to create customized seals

234 products

Backup Rings

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

141 products

O-Ring Bonding Kits

Everything needed to make O-rings

5 products

Edge Seals

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

504 products

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

284 products

U-Cup Seals

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

198 products

Piston Seals

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

57 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

50 products

Cushioning Seals

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

5 products

Packing Seals

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

43 products

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

20 products

Buffering Seals

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

9 products

Spring-Loaded Seals

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

18 products

Sealants

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

83 products

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

3 products

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

1,585 products

Rubber

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

2,766 products

Felt

Thicker and more absorbent than fabric for insulating, polishing, cushioning, and gasketing

2 products

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

10 products

Building and Machinery Hardware

Grommets

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

667 products

Edge Trim

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

202 products

T-Slotted Framing Seals

Fill gaps around doors and panels to keep air, dust, and liquid out of T-slotted framing structures

29 products

T-Slotted Framing Covers

Block dust and debris from entering T-slotted rails; add a wear- or slip-resistant surface

16 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

1 product

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

70 products

Weatherstripping

Seal gaps around doors, windows, and frames

35 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

348 products

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

80 products

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

357 products

Adhesives

Bond surfaces together

6 products

Tape

Bind, seal, and mark surfaces

9 products

Fabricating and Machining

Pocket Knives

Carry these portable cutting tools in a pocket or on a keychain

7 products

Precision Knives

Make exact cuts in paper, plastic, fabric, and other materials

8 products

Utility Knives

Make quick, shallow cuts; often used to open boxes and packages

10 products

Heating, Ventilation, and Air Conditioning

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

3 products

Pipe Insulation

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

21 products

Material Handling

Dock Door Seals

Close the gap between dock doors and trailers to keep heated or cooled air in and dust out

9 products

Dock Door Shelters

Wrap around trailers where they meet dock doors to shield out the elements better than seals

4 products

Electrical

Wire Sleeving

Bundle wiring and protect from abrasion and heat

45 products