Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13217E4440-1 found under Hose Assembly Nonme by Cecom Lr Center. The National Stock Number assigned to this part is 4720008544769, 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 13217E4440-1.