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 6610-00-106-2424
NSN 5975-00-348-7427
NSN 5925-01-280-3758
NSN 6620-00-527-9280
NSN 6105-01-084-1445
NSN 2925-00-922-3785
NSN 5945-01-041-5545
NSN 6135-00-985-7846
NSN 4140-00-260-8261
NSN 6610-00-020-6138
NSN 5990-01-595-9441
NSN 4140-01-606-8772