Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8A3219 found under Shaft Adapter Idle9 by Heil Environmental Industries. The National Stock Number assigned to this part is 2520007414429, 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 8A3219.