3/8 Plugs | McMaster-Carr

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System of Measurement

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Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (10% Concentration)

Acetic Acid (White Vinegar) (20% Concentration)

Pipe Material

Maximum Pressure @ Temperature

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Length

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Zinc Phosphate Coated

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Thread Size

Drive Size

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RoHS

Compliant with Exemptions

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REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

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

Yes

DFARS Specialty Metals

564 Products

Fluid Handling

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

140 products

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

45 products

Hose

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

9 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

125 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

1 product

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

28 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

7 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

16 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

13 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

4 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

2 products

Sights

Observe and monitor the contents of pipes, tanks, and other containers

23 products

Corrosion-Inhibiting Rods and Pads

Protect tanks, water heaters, and heat exchangers from rust; also known as sacrificial anodes

2 products

Building and Machinery Hardware

Protective Plugs

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

10 products

Protective Caps

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

7 products

Grommets

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

4 products

Lubricating

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

13 products

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

2 products

Oil Fittings

Install in engine blocks and other machinery to pour in oil while keeping dust out

1 product

Electrical Power, Networking, and Controlling

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

73 products

Electrical Enclosure Drains

Release moisture to keep components dry

1 product

Measuring and Inspecting

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

9 products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

7 products