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 6110-01-411-6608
NSN 5990-00-232-3965
NSN 4140-00-060-1856
NSN 6150-01-540-5903
NSN 6145-01-301-9506
NSN 6135-01-235-4168
NSN 5925-01-073-8951
NSN 5996-01-389-6891
NSN 6240-01-338-8090
NSN 5935-01-012-7903
NSN 5999-00-881-6627
NSN 5945-01-131-3787