6625-01-357-9767 (63A133338P6A)
NSN 6625-01-357-9767 (NIIN 01-357-9767) 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 63A133338P6A (Lockheed Martin Corporation, CAGE 16331); also referenced as 4991-040 (Jewell Instruments LLC).
Key specs: zero adjuster; DC circuit current for which designed; external power source; full characteristics table below. NIIN assigned May 1992; DEMIL A (none required); unit of issue EA (each), $843.16 gov standard price; export Schedule B 9030.90.8030.