Has time reference capability
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 5990-01-270-3209
NSN 4140-01-287-1308
NSN 6645-00-181-1877
NSN 5835-01-010-3103
NSN 5905-01-502-9608
NSN 6240-00-286-0742
NSN 6650-01-218-4742
NSN 7035-01-660-9119
NSN 5930-01-414-5241
NSN 2925-00-169-3775
NSN 5996-01-216-0702
NSN 5975-00-361-7793