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 6240-01-653-9921
NSN 5999-01-626-3819
NSN 4140-01-615-2240
NSN 6145-00-237-4598
NSN 6145-00-299-7757
NSN 6685-00-947-0059
NSN 6620-00-426-6884
NSN 6650-01-406-5322
NSN 5905-00-072-5994
NSN 6610-01-132-1898
NSN 5965-01-435-6644
NSN 6320-01-512-2031