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 5960-01-089-8155
NSN 5999-00-617-8404
NSN 6240-01-391-7490
NSN 7035-01-090-3369
NSN 5855-00-160-2286
NSN 2925-00-526-4541
NSN 5910-01-547-5140
NSN 5905-00-204-9861
NSN 5975-00-596-2119
NSN 5998-01-609-5570
NSN 5945-00-792-7431
NSN 6130-01-620-9241