Female Adapter | Male National Pipe Thread (MNPT) | Socket Weld x Threaded | Spigot x Threaded | Sweat x FIP | Sweat x MIP | Threaded True Union | Threaded x Threaded | Threaded | 1-1/2" | 1-1/4" x 1-1/4" | 2" x 2" x 3/4" | 4" x 1-1/2"