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 6145-00-067-7436
NSN 5855-01-211-2437
NSN 5990-00-719-4947
NSN 6145-01-589-4198
NSN 5975-00-250-0940
NSN 5990-00-561-3407
NSN 6240-01-485-3116
NSN 6105-00-859-4786
NSN 5945-00-244-1212
NSN 6135-01-205-5965
NSN 6610-01-099-0303
NSN 5920-01-271-4750