Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LG81N1 found under Antenna by Rantec Microwave Systems Corp. The National Stock Number assigned to this part is 5985011594351, 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 LG81N1.