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 5990-01-364-8405
NSN 5999-01-173-9593
NSN 5950-01-425-6348
NSN 5985-01-104-4324
NSN 5990-00-842-0781
NSN 5975-01-023-8773
NSN 5965-01-028-4136
NSN 6645-00-503-1379
NSN 4140-00-518-2744
NSN 5998-01-512-1883
NSN 5975-01-487-2411
NSN 6135-00-170-8819