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 5925-01-085-6118
NSN 5930-01-312-3253
NSN 2925-01-353-3928
NSN 5998-00-729-3051
NSN 6320-01-194-1253
NSN 5935-01-323-0843
NSN 5999-01-087-4201
NSN 6320-00-646-3311
NSN 5960-01-023-8037
NSN 5855-00-361-0167
NSN 5835-00-905-7165
NSN 6135-01-397-6564