Valve stem assembly (also called a turret valve), P/N 12301120, VS-1072. NSN 4820012108821. Includes mounting nut and grommet. Fits rims with a 13/16 inch hole. Long side of valve stem extends 5-1/2 inches from mounting hole center. Factory original OEM part, made in USA.
Valve is used on M939 / M939A1 / M939A2 series trucks. Can be used on M35A3 rims if the original CTIS system is no longer connected. Useable on most rims designed to accept 13/16 inch valve stems.