Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R27058-16C found under Elbow Swivel Flange To Hose by Resistoflex Corp Southwestern Div. The National Stock Number assigned to this part is 4730002203950, 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 R27058-16C.