Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45X440MTN5078 found under Coupling Tube by Mtu Friedrichshafen Gmbh. The National Stock Number assigned to this part is 4730123442901, 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 45X440MTN5078.