Stainless Steel Seals | McMaster-Carr

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System of Measurement

Seal ID

Seal OD

Shaft Diameter

Material

Calcium Sulfate (Gypsum)

Cotton/Polyester Fabric

Methyl Isobutyl Ketone (MIBK)

Parachlorobenzotrifluoride (PCBTF)

300 Series Stainless Steel

302 Stainless Steel

303 Stainless Steel

304 Stainless Steel

304/304L Stainless Steel

316 Stainless Steel

316/316L Stainless Steel

316L Stainless Steel

316Ti Stainless Steel

321 Stainless Steel

400 Series Stainless Steel

Toluene (Methylbenzene)

For Use With

201 Stainless Steel Strapping

302 Stainless Steel Strapping

304 Stainless Steel Strapping

316 Stainless Steel Strapping

Diluted Salt Solutions

Seal Width

Maximum Temperature

Bore Diameter

Rod Diameter

For Shaft Motion

Color

Maximum Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 9,999 psi

10,000 psi or greater

Thickness

Minimum Temperature

Shape

Width

Spring Material

Seat OD

REACH

RoHS

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

2,142 Products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

212 products

Spring-Loaded Seals

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

54 products

Shaft Repair Sleeves

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

21 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

163 products

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

260 products

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

40 products

Hose Washers

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

1 product

Made-to-Order Gaskets

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

4 products

Manway Gaskets

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

4 products

O-Rings

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

9 products

Rope Seals

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

8 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

149 products

Threaded Inserts

Create new threads or repair stripped threads

1 product

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

20 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

7 products

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

43 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

7 products

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

36 products

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

23 products

Repair and Duct Tape

Permanently join or seal surfaces

13 products

Fluid Handling

Tube Fitting Rings

Prevent leaks at tubing connection points

22 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

125 products

Tube Fitting Sleeve and Nut Kits

Everything you need to create a tight seal between a metal tube and a Yor-Lok fitting

16 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

112 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

23 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

128 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

71 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

24 products

Gauge Guards

Shield gauges from corrosive liquids and gases; also called diaphragm seals

9 products

Strainers

Install next to valves and pumps to catch debris in your line

9 products

Building and Machinery Hardware

Weatherstripping

Seal gaps around doors, windows, and frames

15 products

Thresholds

Transition between flooring surfaces and reduce gaps between doors and floors

2 products

Grommets

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

44 products

Edge Trim

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

40 products

Corner Guards

Shield corners on walls and other surfaces from impact

23 products

Surface Guards

Protect walls and other flat surfaces from impact

6 products

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

70 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

24 products

Cam Latch Covers

Seal off cam locks and latches so dust, dirt, and water don't get in

1 product

Communication

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

15 products

Material Handling

Conveyor Brushes

Position items on conveyor belts and wipe off debris

52 products

Conveyor Brush Holders

Mount conveyor brushes at point of use

2 products

Screw Conveyors

Push material through fixed troughs

57 products

Strapping Seals

Crimp onto strapping to keep it under tension

6 products

Strapping Buckles

Hold strapping in light duty and low-tension applications

7 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

12 products

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

Wire Sleeving

Bundle wiring and protect from abrasion and heat

21 products

Push-Button Switch Covers

Completely cover push-button switches to protect them from moisture and dust

1 product

Power Transmission

Rod End Seals

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

16 products

Garter Springs

Exert radial force from all directions to maintain pressure on shafts or in seals

37 products

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

2 products

Protective Coatings

Shield surfaces from the surrounding environment

7 products

Powder Coating Sprayers

Evenly apply powder coatings to small or large parts

4 products

Safety Equipment

Bearing Guards

Shield bearings from dirt, and protect fingers and tools from moving parts

6 products