Product Information Material: 150# Iron Thread: female NPT Select a Product Part NumberThread Size EL45753/4" EL452502-1/2" EL454004" EL45501/2" EL455005" EL451251-1/4" EL45383/8" EL451501-1/2" EL453003" EL451001" EL456006" EL45251/4" EL45181/8" EL452002"