Screw term.
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 6150-00-081-9928
NSN 7035-01-230-0250
NSN 5895-00-910-0908
NSN 5835-01-116-2369
NSN 5835-00-286-5432
NSN 5960-01-340-4487
NSN 5945-01-216-2832
NSN 6645-01-445-8212
NSN 6685-00-491-1101
NSN 5930-00-459-9514
NSN 5925-01-040-1779
NSN 5915-00-625-2285