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 5975-01-429-8609
NSN 6130-01-193-8992
NSN 5965-01-022-0819
NSN 5996-00-913-9681
NSN 5960-01-191-1982
NSN 5895-01-085-6168
NSN 5996-01-264-8463
NSN 5910-01-122-9051
NSN 5950-01-219-3048
NSN 5925-00-415-2286
NSN 5999-01-021-1316
NSN 6650-00-549-5672