NPT Caps | McMaster-Carr

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Thread Type

UN/UNF (SAE Straight)

UNF

Universal

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Material

Hastelloy C276 Nickel

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Gender

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Shape

For Use With

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Acetic Acid (White Vinegar) (20% Concentration)

Pipe Schedule

Pressure Class

Flange Material

Drive Style

Length

Maximum Pressure @ Temperature

Connects To

Body Shape

Color

Thread Size

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

3,121 Products

Fluid Handling

Pipe and Fittings

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

1,473 products

Hose and Hose Fittings

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

869 products

Tube and Tube Fittings

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

94 products

Breather Vents

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

75 products

Pressure-Relief Valves

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

14 products

Sights

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

128 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

40 products

Air Vent Valves

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

39 products

Building and Machinery Hardware

Protective Caps

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

41 products

Protective Plugs

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

76 products

Containers, Storage, and Furniture

Drum Plug Caps

Access inside drums to fill them

4 products

Drum Plugs

Seal drum lid openings

4 products

Drum Locks

Secure drum lids and openings to prevent tampering

1 product

Lubricating

Grease Fitting Adapters

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

33 products

Grease Fittings

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

29 products

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

3 products

Grease Fitting Repair Tools

Remove and repair broken or clogged grease fittings and re-tap threaded holes

1 product

Electrical

Electrical Enclosure Plugs

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

10 products

Electrical Enclosure Drains

Release moisture to keep components dry

2 products

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

3 products

Solenoid Valve Sockets

Pair with plugs or receptacles to connect solenoid components

2 products

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

68 products

Coaxial Receptacles

Install in walls and panels and pair with plugs to make coaxial connections

1 product

Facility and Grounds Maintenance

Sink Drains

Empty liquids from sinks into sewer lines

8 products