3/8 Plugs | McMaster-Carr

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System of Measurement

Thread Type

Material

Silicone Rubber

Stainless Steel

Fitting Type

Reducing Adapter

Drive Style

External 12-Point

External Octagon

External Square

Pipe Material

Stainless Steel

For Use With

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (10% Concentration)

Gender

Shape

Maximum Pressure @ Temperature

65 psi @ 70° F

100 psi @ 70° F

125 psi @ 70° F

415 psi @ 70° F

725 psi @ 70° F

1,850 psi @ 70° F

0.5 psi @ 72° F

60 psi @ 72° F

70 psi @ 72° F

100 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

200 psi @ 72° F

Drive Size

Length

Body Shape

Flange Material

Stainless Steel

Finish

Black Zinc Plated

Zinc Phosphate Coated

Fitting Connection

Push to Connect

Quick Disconnect

Spec Image

Plug Construction

Thread Size

Pressure Class

Connects To

Pipe Schedule

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

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523 Products

Fluid Handling

Pipe Plugs

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

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Hose

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

Hose Fittings

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

Hose End Caps

Cover the ends of hose to keep out dirt and debris

Tube and Tube Fittings

Tube and Tube Fittings

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

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Breather Vents

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

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

Sights

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

Corrosion-Inhibiting Rods and Pads

Corrosion-Inhibiting Rods and Pads

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

Building and Machinery Hardware

Protective Plugs

Protective Plugs

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

Protective Caps

Protective Caps

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

Grommets

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

Lubricating

Grease Fittings

Grease Fittings

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

Grease Fitting Adapters

Grease Fitting Adapters

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

Oil Fittings

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

Electrical

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Electrical Enclosure Drains

Electrical Enclosure Drains

Release moisture to keep components dry

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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