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 6620-01-401-5356
NSN 6620-01-594-1833
NSN 5920-00-225-8893
NSN 5945-01-385-4660
NSN 6105-00-106-2569
NSN 6320-01-125-3361
NSN 5935-01-026-0417
NSN 5935-00-679-9663
NSN 2925-01-185-1814
NSN 5965-01-319-5363
NSN 6145-01-102-8550
NSN 6650-00-883-4790