Never put into service One each -Hydraulic control valve- Barksdale #8141R1HC3 , 1/4" NPT connections Two each - hydraulic check valves, 1/4" NPT connections One each - hydraulic pressure relief valve, Sun Hydraulics #9GBO, 1/4" and 3/8" connections One each - pilot operated check valve, Compact Controls #CP4101B3PO