Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 78E6N3333 found under Coupler Directional by Technical Research And. The National Stock Number assigned to this part is 5985013363755, 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 78E6N3333.