Two or more different types of items having a common mounting or mounted on each other which together form a portion of a modulator but which in itself is not a complete functioning item and cannot be assigned a more definite item name.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5925-01-414-7694
NSN 6220-01-334-5120
NSN 5945-01-467-1587
NSN 5999-01-388-1989
NSN 6105-01-609-0477
NSN 6145-00-398-4405
NSN 6620-01-106-9100
NSN 5996-01-257-2517
NSN 6645-01-010-3746
NSN 6320-00-284-1524
NSN 5835-01-373-9506
NSN 5930-01-391-8112