Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AP390T04 found under Plug Tube Fitting Threaded by Sps Technologies Inc. The National Stock Number assigned to this part is 4730005719648, 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 AP390T04.