Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NEM 6477 found under Switch Radio Freque by Mercury Commercial Electronics Inc. The National Stock Number assigned to this part is 5985012441255, 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 NEM 6477.