Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WU15345 found under Nut Tube Coupling by Navair And Navsea Managed. The National Stock Number assigned to this part is 4730002444583, 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 WU15345.