A fixed number of components and/or items, not all having the same basic name, which are required for the generation of one or more fixed frequencies that are used to determine by comparison the frequency(ies) derived from other sources. See also frequency meter.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5975-00-060-5421
NSN 5965-01-105-4194
NSN 5950-01-141-7019
NSN 5855-01-212-1623
NSN 5996-01-083-8318
NSN 6110-01-195-0538
NSN 6220-00-390-1170
NSN 5835-01-034-5206
NSN 5996-00-832-6593
NSN 5920-00-925-6661
NSN 6620-01-476-0498
NSN 6130-01-221-2972