6660-01-564-0919 (VCH115097P01)
6660-01-564-0919 is equivalent to manufacture part number CL31. It is a cloud height detector 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.