Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6503665 found under Vane Generator Cool by Aeroproducts Inc. The National Stock Number assigned to this part is 1680006042828, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6503665.