An item which generates a highly accurate signal of one or more fixed frequencies for calibration of frequencies from other sources. Does not include oscillator (as modified). For devices which are designed as voltage sources, see generator, signal. See also frequency meter.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6145-01-449-1343
NSN 7035-01-534-4459
NSN 6130-00-052-2143
NSN 6220-01-033-5182
NSN 6110-01-407-5188
NSN 5905-00-127-8328
NSN 6150-01-116-3188
NSN 5915-01-153-2622
NSN 5905-01-025-0704
NSN 6105-01-421-4457
NSN 5950-00-825-4903
NSN 5996-01-035-6008