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 5998-00-560-7971
NSN 6240-00-594-7138
NSN 5910-01-160-6988
NSN 5999-01-273-6761
NSN 4140-00-852-9567
NSN 6150-01-044-6243
NSN 5975-00-707-8036
NSN 5985-01-528-0497
NSN 6220-01-520-8799
NSN 5895-00-554-4573
NSN 5998-01-060-6185
NSN 5960-00-549-3760