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 5895-01-386-5694
NSN 6105-01-504-0965
NSN 5945-01-214-4136
NSN 6220-00-764-9150
NSN 5935-01-095-8335
NSN 5895-01-007-7331
NSN 5990-00-462-9112
NSN 6135-01-377-3862
NSN 6620-01-565-2341
NSN 5855-00-446-5921
NSN 6685-01-340-9435
NSN 5920-01-011-8945