Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AB3479 found under Waveguide Assembly by Space Machine And Engineering Corp. The National Stock Number assigned to this part is 5985014644735, 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 AB3479.