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 5990-01-400-3299
NSN 6145-01-279-1264
NSN 5855-00-198-3197
NSN 5990-01-177-2838
NSN 5915-01-646-4034
NSN 5996-01-149-2434
NSN 5930-00-737-8610
NSN 6105-01-621-7261
NSN 2925-01-444-2061
NSN 5945-01-087-5765
NSN 5920-00-454-4263
NSN 5999-01-197-7799