Black housing. 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 5835-01-622-2556
NSN 5855-00-361-0167
NSN 6130-01-464-3341
NSN 6645-00-413-0461
NSN 6645-01-525-7493
NSN 6610-01-248-4339
NSN 5960-01-237-0662
NSN 6620-01-632-9143
NSN 5965-00-665-1021
NSN 6130-00-905-1157
NSN 5965-01-593-1813
NSN 6685-01-646-2185