6630-00-024-9058 (749582)
NSN 6630-00-024-9058 (NIIN 00-024-9058) is a graduated scale hydrometer in Federal Supply Class 6630, Chemical Analysis Instruments — a hydrometer with a graduated scale on stem calibrated to read specific gravity, percentage of content(s), or the like. Manufacturer part number 749582.
NIIN assigned January 1963; DEMIL A (none required).