Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11558387 found under Plate Mounting Ante by Bae Systems Technology Solutions And Services Inc Dba Bae Systems Information And. The National Stock Number assigned to this part is 5985011860807, and the Federal Supply Class is 5985 Antennas Waveguides And Related Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 11558387.