Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RWT90 C 144 found under Waveguide by Continental Microwave And Tool Co. The National Stock Number assigned to this part is 5985015725225, 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 RWT90 C 144.