Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3240-5000-11 found under Gear Spur by Lilbern Design Of Virginia Llc. The National Stock Number assigned to this part is 3020011317795, 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 3240-5000-11.