Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 109330-501 found under Gearcase Motor by Gould Instrument Systems Inc. The National Stock Number assigned to this part is 3010005114087, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 109330-501.