Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PB171208 found under Elbow Pipe To Tube by Lifestream Watersystems Inc. The National Stock Number assigned to this part is 4730014755104, 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 PB171208.