Nhapn ct190488-06
An item that can generate a fundamental frequency with a high degree of accuracy. Harmonics of this fundamental are then used as a reference point for checking throughout the radio spectrum. The standard may be stable crystal oscillator, noncrystal oscillator, tuning fork, atomic beam, molecular beam, gas cell, quantum mechanical resonator, or the like.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6110-01-204-6595
NSN 5915-01-488-9788
NSN 6220-00-060-8123
NSN 6110-00-185-2021
NSN 6645-00-869-0850
NSN 6645-00-421-5287
NSN 5855-01-627-0837
NSN 6130-00-541-8468
NSN 6220-00-403-7550
NSN 6220-00-422-4461
NSN 6135-00-992-8750
NSN 5835-00-313-7197