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 6685-00-901-8712
NSN 5930-00-838-1716
NSN 6130-01-211-2425
NSN 5910-01-283-7089
NSN 6645-00-551-3650
NSN 6220-01-118-8096
NSN 5905-01-117-1438
NSN 5895-01-614-1363
NSN 5915-01-506-9829
NSN 6610-00-401-2601
NSN 6150-01-419-3075
NSN 6685-01-485-3568