Compression Seals | McMaster-Carr

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System of Measurement

ID

Width

OD

Cross Section Shape

Material

Aramid/PTFE Fiber

Color

Dash Number

Hardness

For Use With

Ball Joint Rod Ends

Data Connectors

Diluted Salt Solutions

Faucet Sprayers

Fluorinated Solvents

Hardness Rating

Maximum Temperature

Less than 250° F

250° F to 499° F

500° F to 999° F

1,000° F to 1,999° F

2,000° F or greater

Thickness

0.035" to 0.045"

0.036" to 0.044"

0.042" to 0.052"

0.045" to 0.055"

0.047" to 0.109"

Core Material

Fiberglass Fabric

Inconel 625 Nickel

Stainless Steel

Shape

Computer Connector

Panel-Mount Mil. Spec. Connector

Ring with Bolt Holes

Ring with Tines

Fractional Width

Fractional ID

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

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Fractional OD

Seal ID

Seal OD

Specifications Met

ANSI/BHMA A156.22

Fed. Spec. A-A-59588

NFPA (National Fluid Power Association) Standard

How can we improve?

16,646 Products

Most Likely Products

Packing Seals

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

Edge Seals

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

O-Rings

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

10,733 products

All Results

Sealing

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

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

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

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

Piston Seals

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

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

Wear Rings

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

Shaft Repair Sleeves

Shaft Repair Sleeves

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

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

Edge Seals

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

Rope Seals

Insulate the edges of oven, furnace, and boiler doors to keep heat in

O-Rings

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

10,733 products

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

Hose Coupling Gaskets

Hose Coupling Gaskets

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

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

Gasket Makers

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

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Drum-Plug Gaskets

Drum-Plug Gaskets

Form a tighter seal in drum openings than with a drum plug alone

Hose Washers

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

Made-to-Order Gaskets

Made-to-Order Gaskets

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

EMI/RFI Shielding Gaskets

EMI/RFI Shielding Gaskets

Fit around enclosure doors or data connectors to prevent inaccurate signals and flickering displays

Drum Gaskets

Seal lids onto steel and stainless steel drums

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

Drain Gaskets

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

Sealants

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

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Adhesives

Bond surfaces together

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

Power Transmission

Rod End Seals

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

Facility and Grounds Maintenance

Toilet Tank-to-Bowl Gaskets

Toilet Tank-to-Bowl Gaskets

Create a tight seal between a toilet tank and bowl

Flush Valve Replacement Parts

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

Material Handling

Dock Door Seals

Dock Door Seals

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

Building and Machinery Hardware

Weatherstripping

Weatherstripping

Seal gaps around doors, windows, and frames

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