1-1/2" flush PMC | 1-1/2 National Pipe Thread (NPT) male flush | G 1/2 B x 1/2 in. Male National Pipe Thread (MNPT) with 1/4 in. Female National Pipe Thread (FNPT) | Gasket x Slip | MIP Threaded | Spigot x FIP | Threaded MIP | Threaded x Threaded