Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11580955 found under Base Plate Body by Arlington Air Parts Inc. The National Stock Number assigned to this part is 2540016040385, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 11580955.