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 6220-01-654-4014
NSN 6685-00-251-8931
NSN 6135-01-407-0594
NSN 5960-01-599-9821
NSN 6240-01-224-6941
NSN 6685-01-473-4761
NSN 6320-01-052-2118
NSN 2925-01-556-0333
NSN 5996-01-426-2688
NSN 6645-01-623-8825
NSN 4140-01-569-5523
NSN 5930-01-632-1412