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 6685-01-463-8461
NSN 5920-01-210-2300
NSN 6105-01-168-9861
NSN 4140-01-437-4779
NSN 7035-01-145-5059
NSN 5975-01-326-0268
NSN 6110-00-144-3159
NSN 6320-01-411-9222
NSN 6645-01-449-1630
NSN 6620-01-530-9850
NSN 6620-00-754-4914
NSN 5999-01-062-0739