Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a calibrator, 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 6645-01-491-1815
NSN 5985-01-318-8758
NSN 6320-00-450-7014
NSN 5835-00-827-1904
NSN 5945-00-597-2049
NSN 5905-01-011-4280
NSN 6135-00-377-9165
NSN 5998-01-540-9617
NSN 6145-00-537-3735
NSN 6240-01-588-3477
NSN 6645-00-702-4386
NSN 5945-01-435-3866