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 6145-00-904-7563
NSN 5990-00-416-9831
NSN 6650-00-754-2276
NSN 5965-01-386-2988
NSN 5950-00-423-4831
NSN 6610-01-513-0303
NSN 5895-01-551-1779
NSN 5999-01-569-0024
NSN 5895-00-276-7916
NSN 5895-00-915-0873
NSN 6320-00-322-3460
NSN 5975-01-555-1527