USGI FMTV Haldex N4400T Dash Mount Trailer Supply Tractor Park Air Manifold US ARMY P/N 12423173 

Manifold Dash Valve, Engineering Grade Composite (EGC) - One Piece Housing. Ports Have Molded Identification. Completely Serviceable. 2 Spools.

1/4" Ports   /   1/4"-20 Mounting Well Nuts In Body /  I2W