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 6135-00-961-3603
NSN 5925-01-134-4255
NSN 5855-00-256-5562
NSN 5950-00-942-2872
NSN 5920-00-501-7834
NSN 6645-00-816-5337
NSN 6610-01-067-6591
NSN 6320-01-425-1417
NSN 5910-00-542-7522
NSN 5915-01-084-0693
NSN 5895-00-887-4925
NSN 5996-00-885-5114