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 5990-01-563-1554
NSN 4140-01-337-4625
NSN 5910-01-420-2660
NSN 5999-00-590-3639
NSN 6105-00-356-7906
NSN 5935-00-107-7315
NSN 6145-00-814-1199
NSN 5905-01-050-8992
NSN 5930-00-063-2003
NSN 5990-01-199-4832
NSN 5950-00-555-2881
NSN 5960-01-378-1729