NIPPLE; SCHEDULE: 40; TYPE: THREADED ON BOTH ENDS; NOMINAL DIAMETER: 1/2 "; THREAD NOMINAL DIAMETER L1: 1/2 "; THREAD L1 TYPE: NPT; MAXIMUM OPER ATING PRESSURE: 1526 PSI; MATERIAL: 316 STAINLESS STEEL; DIMENSIONS BY N ORM: ASTM A312, ASTM A733, AND ASME B1.20.1; LENGTH: 2-1/2 "; 1/2" X 2-1/2" 316 STAINLESS STEEL NIPPLE, PIPE SCHEDULE 40