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 5999-01-557-9638
NSN 6645-00-107-8190
NSN 6220-01-444-3972
NSN 6220-00-937-5906
NSN 4140-00-155-8012
NSN 5915-01-605-3326
NSN 5990-00-548-6163
NSN 5915-01-006-4125
NSN 5945-00-055-8427
NSN 6240-00-406-8141
NSN 5990-01-455-8035
NSN 6145-01-103-3273