Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 681R803H01 found under Stop Antenna by Fleck Machine Company Inc. The National Stock Number assigned to this part is 5985010814401, 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 681R803H01.