Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HAA1-BAE found under Hose Assembly Nonme by Navy United States Department Of. The National Stock Number assigned to this part is 4720015511304, 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 HAA1-BAE.