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 5950-01-425-8652
NSN 5996-00-448-1245
NSN 2925-01-303-5266
NSN 5985-00-030-0093
NSN 5985-01-091-9660
NSN 5965-00-529-0602
NSN 6220-01-088-6604
NSN 4140-01-166-0028
NSN 5998-00-572-5118
NSN 5975-01-499-5140
NSN 5920-01-392-1484
NSN 6145-00-497-1578