Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 419487 found under Nut Tube Coupling by Production Services Corp The. The National Stock Number assigned to this part is 4730004213876, 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 419487.