Everflow Supplies NPBR1400 Close Brass Nipple Pipe Fitting with 1/4" Nominal Diameter and NPT Ends Overflow part number NPBR1400 Brass 7/8 inch long nipple and no space between threaded ends 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