Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X11709 found under Disk Clutch Vehicular by Seagrave Corp The. The National Stock Number assigned to this part is 2520003794306, 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 X11709.