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 4140-01-604-3870
NSN 6105-01-364-8811
NSN 5945-00-579-0243
NSN 5999-00-881-7447
NSN 5975-00-189-0857
NSN 6620-00-233-6839
NSN 5925-00-217-6381
NSN 2925-00-386-8745
NSN 5930-01-178-8455
NSN 4140-01-606-2704
NSN 5998-01-305-0754
NSN 5835-01-045-6371