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 6320-01-320-3305
NSN 5920-01-201-9144
NSN 5855-01-439-1838
NSN 5910-01-010-4058
NSN 5985-00-600-1677
NSN 5915-01-309-1598
NSN 6145-00-156-4394
NSN 4140-01-496-3782
NSN 5960-00-775-9056
NSN 5998-00-465-8520
NSN 6620-00-193-0518
NSN 6220-01-580-0625