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 7035-01-207-2676
NSN 6145-00-038-3369
NSN 5835-01-515-6537
NSN 5935-01-199-4942
NSN 5910-00-443-9282
NSN 6220-01-144-5166
NSN 6105-01-379-3847
NSN 5835-01-524-4731
NSN 5910-01-602-6583
NSN 6650-01-521-0902
NSN 5905-00-672-9313
NSN 6130-01-013-9343