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 4140-01-384-0444
NSN 5985-01-046-1115
NSN 6145-01-631-3941
NSN 6610-01-421-7337
NSN 5990-01-004-6343
NSN 4140-01-532-3713
NSN 5835-01-406-9638
NSN 5960-01-425-1454
NSN 5999-01-523-5401
NSN 6240-00-866-4143
NSN 5998-01-065-1639
NSN 6220-00-065-1393