Everflow Supplies NPBR1200 Close Brass Nipple Pipe Fitting with 1/2" Nominal Diameter and NPT Ends Overflow part number NPBR1200 Brass 1-1/8" long nipple and no space between threaded ends 1/2 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