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 5990-01-320-1412
NSN 6135-01-100-3593
NSN 6135-01-142-2417
NSN 6620-01-115-1307
NSN 5855-01-273-1971
NSN 6145-01-079-3265
NSN 5855-00-943-0685
NSN 6650-01-114-8586
NSN 6130-00-140-8287
NSN 5905-00-205-2595
NSN 6620-00-720-3278
NSN 6685-01-445-6818