6630-00-527-6149 (MILH8004TYPEMA1)
NSN 6630-00-527-6149 (NIIN 00-527-6149) 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 MILH8004TYPEMA1 (Military Specifications, CAGE 81349); also referenced as H-8004TYPE MA-1 (Kahl Scientific Instrument); 2 (G M Mfg Co).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 9027.80.3200; ships at 0.16 lb / 0.0141 cu ft. Supersedes 6630-00-561-0042 (1963).