Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5-4-002 found under Hose Set Nonmetallic by Navistar Intl Corp. The National Stock Number assigned to this part is 4720012960428, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5-4-002.