Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5F40-293 found under Coupling Shaft Flex by Carrier Corporation. The National Stock Number assigned to this part is 3010003952180, 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 5F40-293.