NPT NIPPLE CARBON STEEL A105

N.P.T. nipples or National Pipe Threaded nipples or fittings are standard threaded nipples used within the United States.

N.P.T. nipples consist of a tapered threading which has “imperfect threads” at the end of the threading.

The “imperfect threads” create your seal when connecting a male to a female N.P.T part.