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 5835-01-359-2575
NSN 5935-00-604-8464
NSN 5996-00-065-5343
NSN 5835-01-268-1924
NSN 5930-01-195-5545
NSN 5935-01-549-8299
NSN 5975-00-910-8680
NSN 5910-00-759-1374
NSN 6620-01-032-3937
NSN 5960-01-649-1341
NSN 4140-01-568-1221
NSN 6240-01-437-9439