Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a probe, 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 5990-01-633-9503
NSN 5905-01-291-4431
NSN 5935-00-925-1147
NSN 5999-01-060-1304
NSN 6105-01-136-9819
NSN 5998-01-206-4672
NSN 5915-01-413-1319
NSN 7035-00-480-6767
NSN 7035-00-104-7613
NSN 5935-01-180-3417
NSN 4140-00-660-8699
NSN 6145-01-607-0773