Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CUD500S8S8 found under by Panamech Co. The National Stock Number assigned to this part is 3010007820664, 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 CUD500S8S8.