1-1/2 Npt

Standard: ANSI B 1.20.1
Pitch of thread: 2.209
Thread Angle: 60°
Taper Angle: 1°47′
Nominal Pipe Size: 1-1/2″
Outside Dia(D): 48.26 mm
Pitch diameter at plane of hand-tight engagement (E): 46.287 mm
position of handtight engagement(L1):10.668mm/ 4.83Gg
usefull external thread(L2): 18.377mm
external thread with complete thread profile(L4): 13.960mm
Tapping Drill Size: 43.50 mm