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 6685-01-620-7030
NSN 6130-01-382-9623
NSN 5960-01-560-8461
NSN 6650-00-754-2276
NSN 6130-01-477-9101
NSN 6220-01-148-3587
NSN 5930-00-155-5917
NSN 6145-00-105-9457
NSN 5895-00-014-4218
NSN 5920-01-634-0250
NSN 6685-01-445-5406
NSN 6145-01-136-7177