6660-01-506-6613 (AN/PMN-2)
6660-01-506-6613 is equivalent to manufacture part number 20-9528. It is a meteorological theodolite and is classified under Federal Supply Class 6660 (6660 - Meteorological Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6660 - Meteorological Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.