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 6685-01-417-5502
NSN 5930-00-167-0654
NSN 5965-01-192-5025
NSN 5950-00-130-2584
NSN 5910-01-003-9668
NSN 6240-00-879-5830
NSN 5965-01-540-8711
NSN 5998-01-609-8371
NSN 6135-01-504-6929
NSN 5935-00-401-7584
NSN 6620-01-425-5193
NSN 6685-01-520-3246