Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HDC0016 found under Coupling Shaft Flex by Trump Ted Co The. The National Stock Number assigned to this part is 3010012306843, 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 HDC0016.