Apollo SPS Engine Monitor Panel

it has contract number NAS 9-150, which was NASA’s designation for the Command Service Module (CSM).

This Apollo Service Propulsion System (SPS) Engine Monitor Panel was used as ground equipment from 1965 onward (based on date stamps).

The rack-mountable unit has ten meters, labeled for “Fuel Tank No. 1,” “Fuel Tank No. 2,” “TVC 400 CPS REF Voltage,” “C14 455 P.S. No. 1 Voltage,” “C14-455 Total PS Cur,” “Engine Inlet Pressure: Fuel,” “Engine Inlet Pressure: Oxidizer,” “Engine Inlet Temperature: Fuel,” and “Engine Inlet Temperature: Oxidizer.” Several NAA calibration labels have been applied to the face.

It was manufactured by North American Aviation (NAA), and measures 19″ x 7″ x 10″, with a tag on the reverse, reading: Ten Meter Module Assy, Part No. G16-820175, Serial 06362YAB6975, Spec MA0201-0214, Contr. NAS 9-150.