Cesium beam tube, quartz oscillator
No other part numbers with same form, fit, and function found.
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 5930-01-062-7408
NSN 6240-00-821-5125
NSN 5920-00-670-4674
NSN 6620-00-999-2425
NSN 6645-01-537-1066
NSN 6110-01-449-0150
NSN 6650-01-222-1749
NSN 6220-01-134-4628
NSN 4140-01-400-3610
NSN 5965-00-246-5612
NSN 6105-00-847-5140
NSN 5998-01-555-7778