Apollo Saturn V Third Stage Actuation Control Module made by Clary Corp., measuring 3.75″ x 4.25″ x 4.25″, with NASA George C. Marshall Space Flight Center plate on one cylinder: "Module, Actuation Control, Assy No. 527060, Dac Spec. 1A49982-517AA, Contr. No. NAS7-101, Ser. No. 121, Date 4-66."
