3/4″ x 4″ NPT Seamless Pipe Nipple S/40 ALUMINUM 6061-T6 AN1050611
Seamless Pipe Nipple S/40. Connection: Male Threaded (NPT). Weighing in at 1/3 as much as Iron, steel, copper or brass. Aluminum pipe nipples have very good corrosion resistance and and are virtually maintenance free.