An internal threading tool with longitudinally separated cutting edges designed to form specific threads.
Classification: Tools for tapping or threading, parts thereof, of base metal
NSN 6620-01-647-8261
NSN 6105-01-599-4628
NSN 5950-00-266-9045
NSN 5905-01-372-7661
NSN 6685-00-484-2167
NSN 5960-00-543-1956
NSN 5998-01-657-0639
NSN 6240-00-803-2777
NSN 5835-01-073-9622
NSN 5996-00-141-3945
NSN 6620-00-472-5146
NSN 6650-01-473-4353