Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BA7019-2 found under Pulley Flat by Comtec Information Systems Inc. The National Stock Number assigned to this part is 3020000290320, 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 BA7019-2.