Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 747C250-001 found under Gear Worm by General Electric Inc. The National Stock Number assigned to this part is 3020012558714, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 747C250-001.