Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31163430M4-1 found under Waveguide Assembly by Georgia Tech Research Corporation. The National Stock Number assigned to this part is 5985012343893, 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 31163430M4-1.