Everflow Supplies NPBR3430 3" Long Brass Nipple Pipe Fitting with 3/4" Nominal Diameter and NPT Ends Overflow part number NPBR3430 Brass 3 inch long nipple 3/4 inch Nominal pipe diameter with male threaded NPT ends Conforms to ASTM B687 ANSI ASME B1.20.1 Meets or exceeds all applicable ANSI standards