Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 229421R11 found under Retainer Channel Gl by Navistar Intl Corp. The National Stock Number assigned to this part is 2540008454299, 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 229421R11.