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 6105-01-115-3239
NSN 5998-00-054-6895
NSN 6130-01-624-5493
NSN 5915-01-349-6873
NSN 5835-00-128-8762
NSN 5925-01-299-6612
NSN 6240-01-254-7599
NSN 5835-00-707-6266
NSN 5855-01-622-9699
NSN 5975-00-233-5964
NSN 5985-00-243-0609
NSN 5985-01-302-1638