Everflow Supplies NPBR1440 4" Long Brass Nipple Pipe Fitting with 1/4" Nominal Diameter and NPT Ends Overflow part number NPBR1440 Brass 4 inch long nipple 1/4 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