Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R5 314 16 14 3 8 found under Tube Metallic by Hydro Line Mfg Co. The National Stock Number assigned to this part is 4710014157407, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R5 314 16 14 3 8.