Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C270-220 found under Line Section Radio Frequency Transmission by U B Corp. The National Stock Number assigned to this part is 5985002428199, 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 C270-220.