Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 247709 found under Gear Worm by R And M Energy Systems Tomball P. The National Stock Number assigned to this part is 3020011420552, 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 247709.