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 5998-01-288-6942
NSN 5935-01-510-8931
NSN 6650-01-599-9849
NSN 6650-01-280-6651
NSN 6320-00-295-2854
NSN 6135-01-180-9611
NSN 6320-01-054-3046
NSN 5965-01-528-9290
NSN 6645-00-351-8580
NSN 5975-01-261-2995
NSN 6645-00-279-1777
NSN 5998-00-096-4160