Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13-50-04310 found under Switch Radio Frequency Transmiss by Dow Key Microwave Corp. The National Stock Number assigned to this part is 5985000903849, 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 13-50-04310.