Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3UL15000 found under Hose Air Duct by Novaflex Hose. The National Stock Number assigned to this part is 4720016576556, 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 3UL15000.