NPS Pipe Fittings | McMaster-Carr

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

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DFARS Specialty Metals

657 Products

Fluid Handling

Pipe Straights

Join lengths of pipe to send contents in one direction

40 products

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

66 products

Hose Fittings

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

163 products

Tube Straights

Join lengths of tube to send contents in one direction

25 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

9 products

Flowmeter Tees

Pair with a sensor and a display to measure a liquid's flow in hard-to-access areas

6 products

Breather Vents

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

4 products

Safety Equipment

Fire Hose Fittings

Mount your fire hose to hydrants and washdown equipment, or join lengths of hose

18 products

Electrical Power, Networking, and Controlling

Conduit and Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

313 products

Lubricating

Grease Gun Nozzles

Replace nozzles on grease guns

2 products