Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AWT250-12A found under Gear Assy by Perfection Clutch. The National Stock Number assigned to this part is 2520008916699, 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 AWT250-12A.