Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NP5053171 found under Elbow Pipe by Barber Greene Co. The National Stock Number assigned to this part is 4730002308754, 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 NP5053171.