D4FF-10316-CA, D4FF-10316-BA, 12V Cessna Aircraft Voltage Regulator

12V Cessna Aircraft Voltage Regulator as shown on photos. (Surface rust on underside of regulator. Cover was remover and unit was inspected inside for damage / corrosion and none was evident). P/N D4FF-10316-CA. Possible alternate P/Ns C611001-0201, D4FF-10316-BA, 33-380010, C611001-0102, VR600, 0750216-1, D4FF10316BA, DGR6-1. Installed on several Cessna aircraft models thru the mid 1970s. It was removed from a salvage aircraft.