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 5895-01-388-0188
NSN 6130-01-231-9245
NSN 5935-01-381-4676
NSN 5990-01-290-4787
NSN 5996-01-012-3267
NSN 6650-01-339-5257
NSN 5990-00-983-1813
NSN 6240-00-082-1142
NSN 2925-01-179-7795
NSN 5910-01-341-8418
NSN 5965-01-237-3342
NSN 5930-01-542-6662