Apollo Saturn V J-2 Rocket Engine Turbopump First Stage Turbine Wheel, measuring 12″ in diameter and 1.5″ thick, marked at center with part numbers: "460152, S/N 2749458, HT-KH-344-K2, FR//-SF-1088, C2602, HC 3361." The turbopump on the J-2 Rocket Engine was responsible for generating the necessary pressure to flow propellant through the injector and combustion chamber at the required flow rate.
