Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 615 447 C1 found under Filter Elementfluid by Navistar Intl Corp. The National Stock Number assigned to this part is 1650002033593, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 615 447 C1.