NPT Adapters | McMaster-Carr

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System of Measurement

Pipe Size

Fitting Type

Material

Compressed Non-Asbestos Synthetic Fiber

Shape

Adjustable-Angle Elbow

Gender

Fitting Connection

For Use With

Dry Abrasive Materials

Food

Fuel Gases

ISO Mounting Patterns

Acetic Acid (White Vinegar)

Connects To

Thread Size

Tube OD

Maximum Pressure @ Temperature

Pipe Material

Length

Pipe Schedule

Flange Material

Threading

Threaded on Both Ends

Pressure Class

Tube Material

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

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

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

27,490 Products

Fluid Handling

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

14,168 products

Tube Fittings

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

4,894 products

Hose Fittings

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

2,452 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

23 products

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

15 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

508 products

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

77 products

On-Off Valves

Start and stop flow through a line

739 products

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

684 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

31 products

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

7 products

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

10 products

Filter Housings

Use with filter cartridges to remove particles from liquid

6 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

34 products

Electrical Power, Networking, and Controlling

Conduit Straights

Join conduit of different sizes and types, or attach conduit to a knockout in electrical boxes

206 products

Conduit Elbows

Join conduit with 45°, 90°, offset, and adjustable-angle connectors

173 products

Conduit Bodies

Access wiring to pull, splice, or redirect it

54 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

2 products

Lubricating

Grease Fitting Adapters

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

24 products

Grease Fitting Repair Tools

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

1 product

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

44 products

Grease Gun Nozzles

Replace nozzles on grease guns

101 products

Grease Gun Tip Adapters

Quickly switch between standard, button-head, and flush-style grease fittings

1 product

Coolant Hose and Fittings

Build a custom system to deliver coolant, cutting oil, water, or air in any direction

22 products

Coolant Nozzle and Hose Adapters

Connect threaded coolant nozzles and hose to coolant supply ports on equipment such as CNC machines

4 products

Containers, Storage, and Furniture

Drum Plug Adapters

Screw into plastic drum openings to replace threads that can become damaged with frequent use

1 product

Drum Plugs

Seal drum lid openings

4 products

Building and Machinery Hardware

Positioning Arms

Mount and position tools and other small equipment

1 product

Fabricating and Machining

Pipe Threader Adapters

Pair with pipe threaders to cut pipe and conduit of different sizes

9 products

Pipe Threader Die Head Wrenches

Pair with a Ridgid die head and dies to cut pipe and conduit threads

5 products

Pipe Threader Dies

Install in the die head on your Ridgid pipe threader to cut external pipe and conduit threads

51 products

Pipe Threader Die Heads

Attach to your Ridgid ratcheting or electric threader to cut external pipe and conduit threads

21 products

Pipe Threaders

Cut external threads in pipe and conduit with ratcheting action or electric power

30 products

Facility and Grounds Maintenance

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

6 products

Neutralization Tanks

Treat corrosive chemicals before they drain into sewer systems

4 products

Power Transmission

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

46 products

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

1,790 products

Material Handling

Robot Tool Mounts

Attach tools to robot arms

6 products