Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 550 070 02 80 found under Vent Ring Assembly by Mtu Friedrichshafen Gmbh. The National Stock Number assigned to this part is 4730012537265, 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 550 070 02 80.