7 WINCHES, HOISTS, CARGO HOOKS AND REPLACEMENT PARTS THEREFOR; MACHINE TOOLS AND PARTS THEREFOR; LOCK PINS FOR AEROSPACE INDUSTRY, NAMELY, FOR HELICOPTER BLADES; QUICK DISCONNECT COUPLING SYSTEMS, NAMELY, TWISTLOCKS, COUPLEX, CABLE LOCKS, INTERLOCKS, AND RECEIVERS; HINGE PIN RETRACTORS FOR ENGINE NACELLES; STRUTS AND HOLD OPEN RODS FOR USE IN ANTENNAS AND FOR USE IN AVIATION, LAND, MARINE, AND AGRICULTURAL VEHICLES; MOTION CONTROL SYSTEMS; ELECTRO MECHANICAL ACTUATORS, MECHANICAL ACTUATORS, TIMING BELT DRIVES, BALL REVERSER ACTUATORS, ROLLNUT ACTUATORS, DIAMOND REVERSER ACTUATORS, AND ROLLNUT OSCILLATORS