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 5945-01-228-3923
NSN 6685-01-433-7958
NSN 6150-01-568-4003
NSN 5895-00-991-4582
NSN 5960-01-444-2205
NSN 6130-01-302-2153
NSN 6685-00-872-5244
NSN 5950-01-612-2478
NSN 5920-00-117-8280
NSN 5998-01-099-9835
NSN 6110-00-985-2342
NSN 5965-01-026-9865