Has time reference capability
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 5910-01-417-6291
NSN 5925-00-389-6433
NSN 6620-00-905-8530
NSN 6645-01-513-0117
NSN 4140-00-045-8117
NSN 5950-01-106-3000
NSN 5985-01-360-5617
NSN 5985-01-290-2073
NSN 6105-01-268-2290
NSN 6110-01-519-9131
NSN 5915-01-250-3364
NSN 5905-01-541-0346