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 5935-01-051-2812
NSN 6610-00-028-2222
NSN 5960-00-072-5874
NSN 6645-00-230-4396
NSN 5985-01-047-0775
NSN 5920-01-205-3442
NSN 5999-00-802-9097
NSN 6145-00-278-0697
NSN 5998-01-433-0904
NSN 5835-01-297-1909
NSN 2925-01-548-6674
NSN 5950-00-144-4139