Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 155-00054 found under Circulator Radio Fr by Communications And Power Industries. The National Stock Number assigned to this part is 5985013557341, 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 155-00054.