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 6650-01-171-8539
NSN 6145-01-453-7015
NSN 5935-00-238-8934
NSN 5855-00-149-0766
NSN 5975-00-653-4238
NSN 6620-01-418-3245
NSN 6220-01-199-5356
NSN 6685-01-126-0446
NSN 6150-01-424-4384
NSN 5930-01-630-3574
NSN 2925-01-609-3525
NSN 5975-00-164-2685