Hermetically sealed
An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6320-01-138-0442
NSN 2925-00-265-7539
NSN 5925-00-902-3240
NSN 5925-00-271-7500
NSN 5855-01-459-7508
NSN 5920-01-433-2261
NSN 5930-00-584-4563
NSN 5920-01-241-0566
NSN 5935-01-613-1639
NSN 6135-01-142-6456
NSN 5930-01-569-0072
NSN 6220-01-217-6627