Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RA66D479 found under Antenna by Columbia Products. The National Stock Number assigned to this part is 5985006521531, 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 RA66D479.