Part Number: 5-84049-11 (Flap drive ball screw)Part Number: 5-84049-13 (Flap drive ball screw)Part Number: 5-84049-7 (Flap drive ball screw)Part Number: 5-84049-9 (Flap drive ball screw)Part Number: 65-20679-12 (Flap drive ball screw)Part Number: 65-20679-14 (Flap drive ball screw)Part Number: S251N401-17 (Flap drive ball screw)Part Number: S251N401-18 (Flap drive ball screw)Part Number: S251N401-19 (Flap drive ball screw)Part Number: S251N401-20 (Flap drive ball screw)Part Number: S251N401-22 (Flap drive ball screw)