Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 93A0643-1 found under Dummy Load Electric by L3 Communications Corp. The National Stock Number assigned to this part is 5985015757308, 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 93A0643-1.