Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5001 found under Antenna Active Mono by National Bureau Of Standards. The National Stock Number assigned to this part is 5985011719853, 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 5001.