RIPLEY

Rocket engines not for land vehicles; Nozzles, thrust chambers, seals, injectors, turbopumps, turbines, pressure vessels, ducting, igniters, impellers, inducers, valves, preburners, precombustors, gas generators, flight controllers, pressure sensors, temperature sensors, actuators, position sensors for valves and actuators, harnessing, wiring connectors, filters, fittings, fasteners, heat exchangers, bearings, insulation, and storage tanks, all being component parts of rocket engines