Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FS0006309 found under Coupling Shaft Flexible by Mn Ssf Marine Nationale Service. The National Stock Number assigned to this part is 3010015557649, 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 FS0006309.