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 6610-01-148-8865
NSN 6105-01-365-1386
NSN 5985-01-443-7267
NSN 6220-01-224-4076
NSN 5910-01-161-9307
NSN 5965-01-518-4004
NSN 5960-00-740-7285
NSN 5985-00-184-8713
NSN 6130-01-428-0943
NSN 5935-01-634-0668
NSN 6135-01-445-6589
NSN 6610-00-273-9019