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 6240-01-391-8915
NSN 5998-00-647-1225
NSN 5945-00-856-1455
NSN 5965-01-506-7576
NSN 5855-01-463-6052
NSN 6650-00-629-0237
NSN 5985-00-175-8209
NSN 5935-01-507-3586
NSN 5925-00-863-4232
NSN 5945-00-840-1571
NSN 6320-01-262-8642
NSN 7035-01-529-0126