Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G538951-1 found under Waveguide Assembly by Alpha Industries Inc. The National Stock Number assigned to this part is 5985013535499, 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 G538951-1.