6680-01-508-8925 (HO1-1/2X1-1/2-8-130-C-1M-F3NB-NB)
6680-01-508-8925 is equivalent to manufacture part number 6777191. It is a liquid impeller type meter and is classified under Federal Supply Class 6680 (6680 - Flow and Level Measuring Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6680 - Flow and Level Measuring Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.