Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 550000006 01 found under Switch Radio Freque by Aeronautical Instrument And Radio. The National Stock Number assigned to this part is 5985013794701, 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 550000006 01.