3/8 Caps | McMaster-Carr

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System of Measurement

Material

Stainless Steel

Fitting Type

Reducing Adapter

Thread Type

Gender

For Use With

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (10% Concentration)

Acetic Acid (White Vinegar) (20% Concentration)

Shape

Pipe Material

Stainless Steel

Drive Style

External 12-Point

External Octagon

External Square

Maximum Pressure @ Temperature

65 psi @ 70° F

100 psi @ 70° F

125 psi @ 70° F

150 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

90 psi @ 72° F

100 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

175 psi @ 72° F

200 psi @ 72° F

Fitting Connection

Push to Connect

Quick Disconnect

Spec Image

Without Fittings

Length

Body Shape

Connects To

Flange Material

Stainless Steel

Pipe Schedule

Thread Size

Attachment Type

Band-and-Buckle Clamp

Crimp-On Hose Ferrule

RoHS

Compliant with Exemptions

Pressure Class

Quick-Disconnect Component

Plug and Socket Set

REACH

Export Control Classification Number (ECCN)

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

DFARS Specialty Metals

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588 Products

Fluid Handling

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Tube End Caps

Cover the ends of tube to keep out dirt and debris

Tube End Plugs

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

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Hose and Hose Fittings

Hose and Hose Fittings

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

Breather Vents

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

Pressure-Relief Valves

Pressure-Relief Valves

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

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Air Vent Valves

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

Sights

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

Building and Machinery Hardware

Protective Caps

Protective Caps

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

Protective Plugs

Protective Plugs

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

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

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

Grease Fittings

Grease Fittings

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

Electrical Power, Networking, and Controlling

Electrical Enclosure Drains

Electrical Enclosure Drains

Release moisture to keep components dry

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