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 5835-00-406-8460
NSN 6685-00-887-2063
NSN 5998-01-649-7043
NSN 5996-01-422-3087
NSN 5945-01-498-0790
NSN 5915-01-521-4758
NSN 5960-01-210-8779
NSN 5945-00-549-6396
NSN 5950-01-332-4300
NSN 6220-00-553-8938
NSN 5985-00-919-4012
NSN 5996-01-578-6162