Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XT 1110 found under Mixer Crystal Coaxi by Microlab Fxr. The National Stock Number assigned to this part is 5985011305634, 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 XT 1110.