A straight one piece adapter with threads on one end differing from the threads on the opposite end, used for connecting drill pipes, drill collars, or drill rods to drill bits or for connecting swivels to drill rods in well drilling and servicing operations. Excludes tool joints.
Classification: Parts, nesoi, of machinery of heading 8429 or 8430
NSN 5920-01-140-9624
NSN 5996-00-777-7134
NSN 5920-01-088-8312
NSN 6220-00-681-2707
NSN 6645-00-344-3512
NSN 6685-01-197-7703
NSN 5945-01-140-0924
NSN 6240-00-468-7089
NSN 7035-01-376-3843
NSN 5935-01-187-5740
NSN 6110-01-195-9649
NSN 6105-01-481-4463