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 5835-01-502-9228
NSN 6105-01-204-7176
NSN 5925-01-073-9736
NSN 5915-01-174-1164
NSN 5985-00-204-4344
NSN 6110-00-209-7241
NSN 4140-00-449-7702
NSN 5855-01-323-5394
NSN 6610-00-804-9039
NSN 5855-01-414-6265
NSN 6135-01-019-7687
NSN 5935-01-614-6798