Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 280-6016 found under Kit Air Supply Assy by Crash Rescue Equipment Service. The National Stock Number assigned to this part is 4730015061000, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 280-6016.