An item which generates a highly accurate signal of one or more fixed frequencies for calibration of frequencies from other sources. Does not include oscillator (as modified). For devices which are designed as voltage sources, see generator, signal. See also frequency meter.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5935-01-053-5843
NSN 5998-01-074-9027
NSN 5925-01-596-2796
NSN 5998-01-540-3406
NSN 7035-00-968-4848
NSN 5975-01-092-0295
NSN 6135-01-633-8502
NSN 5925-01-370-0955
NSN 5960-00-223-8381
NSN 5915-01-465-9400
NSN 7035-00-142-9076
NSN 5945-00-880-8964