Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 509A5-2 found under Bracket Assy Forwar by Erie Engineered Products Inc. The National Stock Number assigned to this part is 8115007727868, and the Federal Supply Class is 8115 Boxes Cartons And Crates. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 509A5-2.