T.o. 9h8-2-159-3 end item identification, hydraulic valve operation method, -65.0 deg fahrenheit nominal and 275.0 deg fahrenheit maximum operating temp rating, 4 port quantity, 3000.0 pounds per square inch supply pressure, manufacturers suggested name is valve assy, hydraulic bleed; applicable parts kit is p/n a62195-100; major component parts sleeve and spool assy p/n d-62195-2, body d-62195-1; main use hydraulic system bleed valve; operating medium hyd fluid per mil-h-83282; pressuresin & pressure out ports: 3000 psig, proof 4500 psig, burst 7500 psig; bleed in & bleed out ports: operating 40 psig, proof 60 psig, burst 100 psig; flow rates, 1.0 gpm from press out port, bleed operating 0.25 from bleed out port; wt 0.3 lbs special features

An item which controls both the direction and the rate of flow of fluid in direct response to a primary control of comparatively low level force. It is used for positioning a linear actuating cylinder assembly, and for controlling the rate of travel of the piston. The primary control force may be mechanical, hydraulic, and/or electrical.