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 6105-01-422-8139
NSN 5990-00-491-8628
NSN 6130-01-168-8001
NSN 6105-01-101-2144
NSN 6145-01-206-4855
NSN 5950-01-444-1302
NSN 5996-01-034-2270
NSN 5965-01-570-4711
NSN 6620-01-524-0583
NSN 6130-00-954-2859
NSN 5930-01-105-9050
NSN 6650-00-005-8572