The airframe furnished system and components mounted at turbo-jet engine exhaust tailpipes, or turbofan engine variable fan reverser components used to direct engine thrust forward for deceleration. Does not include the engine tailpipe. Typical parts are door, flex drive, relay, solenoid, switch, switch arm, bolt, valve, line, deploy line, rail, cable, actuator, actuator rod, connector plug, seal, support, fitting, shaft, link, nozzle, hose, etc.