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 5935-01-434-3859
NSN 6220-01-648-7012
NSN 6145-01-152-2417
NSN 5835-00-984-1233
NSN 5935-00-155-4662
NSN 6645-01-048-7717
NSN 5905-01-330-4445
NSN 6135-01-529-0122
NSN 5835-01-328-6626
NSN 6135-01-074-8220
NSN 7035-00-286-6221
NSN 7035-01-211-1770