G 1/2 B x 1/2 in. Male National Pipe Thread (MNPT) with 1/4 in. Female National Pipe Thread (FNPT) | MIP Threaded | MNPT x Push-to-Connect | Slip On | Socket Weld or Threaded True Union | Socket Weld | Sweat x FIP | Sweat x MIP | Sweat | Threaded MIP | 6" - 5" x 1-1/2"