Control module provisioned in the Apollo Service Module to control the flow, pressure, and cryogenic stirring operation of the supplemental oxygen tank onboard Apollo 14 and subsequent missions, measuring 10.5 x 7 x 12, bearing a tag in the center reading: “Oxygen System Module, NAA/S & ID Control No. ME284-0290-0001, Contr. No. NAS9-150.” In fine condition. This system's module and additional tank (which supplied breathing oxygen and reactant to the Apollo Fuel Cells) were introduced as a result of the Apollo 13 accident as a redundant supply in the event the primary oxygen tank and/or its control system suffered in-flight failure.
Terms and abbreviations used in our descriptions.