Weapon system essential
An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5855-01-577-5946
NSN 5930-01-318-1134
NSN 6130-01-199-3960
NSN 6105-01-436-5952
NSN 6220-00-269-4556
NSN 5920-00-515-3617
NSN 6685-01-175-2083
NSN 5965-01-428-3348
NSN 5920-01-287-8409
NSN 6150-00-965-8351
NSN
NSN 6135-00-271-0407