Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number STD0058A found under Elbow Pipe To Tube by Hayes Targets. The National Stock Number assigned to this part is 4730008367860, 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 STD0058A.