Crystal controlled oscillator
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 6620-01-512-2016
NSN 5990-00-226-1152
NSN 6645-01-539-2335
NSN 5975-00-377-8914
NSN 5985-01-277-6813
NSN 7035-00-417-2967
NSN 5990-00-589-7610
NSN 5920-01-332-1033
NSN 6645-00-439-4087
NSN 5975-00-290-4285
NSN 6145-00-230-5268
NSN 6650-00-246-3751