Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 288C789-001 found under Sleeve Coupling Fle by General Electric Co. The National Stock Number assigned to this part is 3010012195667, 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 288C789-001.