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 5925-01-160-9069
NSN 6105-01-511-0271
NSN 5935-00-983-6410
NSN 5945-00-388-8824
NSN 2925-00-136-2612
NSN 5925-01-383-1463
NSN 5835-00-223-7235
NSN 5950-01-575-1859
NSN 6135-00-255-1340
NSN 6320-01-564-0893
NSN 5985-00-143-3618
NSN 7035-01-445-3563