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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Pipe Material

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Shape

Pipe Schedule

Flange Material

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)

Pressure Class

Drive Style

Maximum Pressure @ Temperature

Length

Connects To

Body Shape

Color

Thread Size

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

3,129 Products

Fluid Handling

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

293 products

Pipe Plugs

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

811 products

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

370 products

Tube and Tube Fittings

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

94 products

Hose and Hose Fittings

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

876 products

Breather Vents

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

71 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

38 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

2 products

Drum Locks

Secure drum lids and openings to prevent tampering

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

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

3 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

68 products

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

27 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

Facility and Grounds Maintenance

Sink Drains

Empty liquids from sinks into sewer lines

6 products