Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FDT 22 5008B 28A found under Diplexer by Trilithic Inc. The National Stock Number assigned to this part is 5985012824624, 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 FDT 22 5008B 28A.