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 5920-00-231-8950
NSN 5835-00-453-1969
NSN 6145-01-302-8157
NSN 6110-00-476-7186
NSN 5975-00-756-8311
NSN 5855-01-500-0449
NSN 6610-01-541-0880
NSN 5855-01-308-0955
NSN 5960-01-268-4356
NSN 5905-01-502-9940
NSN 6130-00-173-6062
NSN 6220-01-352-7833