Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DB80031 found under Coupler Transmissio by North Hills Signal Processing Corp. The National Stock Number assigned to this part is 5985014081043, 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 DB80031.