6625-00-351-5937 (6915-153)
NSN 6625-00-351-5937 (NIIN 00-351-5937) 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 6915-153 (Arnoux Corp, CAGE 06339); also referenced as 31F (Lee Co The J B T Div); 302B67, 7420 (Cummins Power Generation Inc.); 7004 (Arnoux Corp).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 9030.90.8030; ships at 0.4 lb / 0.0579 cu ft.