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 6145-01-593-9200
NSN 5950-00-946-5346
NSN 5910-00-233-7036
NSN 5895-01-239-9973
NSN 5915-01-618-4057
NSN 5835-01-174-7700
NSN 5975-01-238-3151
NSN 5930-00-186-9096
NSN 6220-01-510-3927
NSN 5935-01-497-7443
NSN 5910-01-204-7223
NSN 6220-00-285-8104