Saturn V Launch Vehicle Second Stage Liquid Oxygen/Nitrogen Controller Assembly, measuring approximately 5.25" x 5.5" x 2.75", marked at center: "V7-540502-71, 06362PAD8587," with an attached Rockwell Space Division "Parts Status and Identification" and inspection tag dated 1971 and 1972. Both controller modules on the underside are marked "Controller LOX, LN2, S&ID Control No. ME431-0125-0019 W."
