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 6320-00-593-0379
NSN 5915-01-420-5777
NSN 6240-01-257-9004
NSN 6110-01-407-1353
NSN 5930-01-340-0900
NSN 5985-01-013-9448
NSN 6110-00-267-7422
NSN 6220-01-427-2333
NSN 4140-01-258-6685
NSN 5910-00-950-7746
NSN 5998-01-469-6141
NSN 6105-00-051-1362