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 6110-00-564-8980
NSN 6130-01-250-2822
NSN 5950-00-816-9913
NSN 5960-01-085-4231
NSN 5925-00-203-1278
NSN 5945-00-852-9721
NSN 5945-00-276-7622
NSN 5935-01-529-1743
NSN 6130-00-761-7826
NSN 5999-00-166-7952
NSN 5935-01-374-0239
NSN 6685-01-562-4689