Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2189779 found under Pump Hoist Cylinder by General Motors Corp. The National Stock Number assigned to this part is 2520007000605, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2189779.