Apollo Saturn V F-1 rocket engine LOX impeller spline sleeve, measuring 4″ tall and 6.75″ in diameter, and weighing 16.3 pounds, etched on the rim with part numbers: "459736 S/N 8357597 02602 (40500)," and bearing several inspection stamps. In fine condition. Accompanied by a diagram of the F-1 engine's turbopump oxidizer assembly, part of the propellant feed system, showing the location of this piece of hardware.
The F-1 rocket engine remains the highest thrust engine that NASA has ever flown. Built by the Rocketdyne Division of North American Aviation, the F-1 burned RP-1, a refined form of kerosene, and liquid oxygen. The engine's 2,500-pound turbopump produced more than 20,000 horsepower and could pump 42,500 gallons of propellant per minute. A cluster of five F-1 engines, each producing a maximum thrust of 1.5 million pounds, powered the first stage (designated S1-C) of the colossal Saturn V launch vehicle that carried American astronauts to the moon between 1969 and 1972.
