6625-01-366-0192 (633-20408)
NSN 6625-01-366-0192 (NIIN 01-366-0192) is an electrical frequency meter in Federal Supply Class 6625, Electrical And Electronic Properties Measuring And Testing Instruments — an instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second. Manufacturer part number 633-20408 (Phaostron Instrument And Electronic, CAGE 77221); also referenced as 88-21072 (Department Of Defense Project); 60.1034 (Ideal Precision Meter Co); 349-028 (Jewell Instruments LLC).
Key specs: DC circuit current for which designed; 50 to 60 hertz frequency response range; full characteristics table below. NIIN assigned October 1992; DEMIL A (none required); unit of issue EA (each), $88.85 gov standard price; export Schedule B 9030.90.8030; ships at 0.79 lb / 0.0195 cu ft.