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 5945-00-722-2228
NSN 5960-01-436-4493
NSN 6220-01-248-4452
NSN 4140-01-303-3173
NSN 5925-00-513-2854
NSN 5915-00-936-6052
NSN 6610-01-633-8931
NSN 6650-01-076-3922
NSN 5835-00-665-3395
NSN 5996-01-462-8149
NSN 5985-01-434-5005
NSN 6220-00-557-4114