Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMB5V4017 found under Ftg Ay Precooler by Valley Todeco Inc. The National Stock Number assigned to this part is 1680015883213, 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 AMB5V4017.