Note:The "U" in the part number reflects product packaged in poly bag.
NPT Thread and Pipe Sizing:NPT (National Pipe Thread) is a standard used in joining pipes and fittings
that have a tapered thread. As a general rule, the NPT inch size is the
inside diameter of the threaded pipe and is known as the NPS (Nominal Pipe
Size). The outer diameter (OD) of the pipe is shown in the table below.