Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 436441C1 found under Shield by Navistar Intl Corp. The National Stock Number assigned to this part is 2540006759305, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 436441C1.