Akron Brass Style 4812 is a discontinued 1-inch Akron Brass Assault fixed-orifice fire nozzle featuring a pistol grip and spinning teeth, designed to flow 60 GPM. The NH (National Standard Thread / NST) designation indicates it uses standard fire service straight threads to connect to compatible 1-inch hose lines. Low Pressure Range: Performs efficiently even at pressures down to 50 PSI or up to 100 PSI.