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 6135-00-405-1989
NSN 5935-01-284-1802
NSN 5895-00-398-0029
NSN 5996-00-422-3328
NSN 5965-01-011-1228
NSN 2925-00-436-3527
NSN 6220-00-510-7899
NSN 5920-01-298-7989
NSN 5920-00-733-3538
NSN 6240-01-370-0511
NSN 6110-00-625-5547
NSN 6145-00-923-4332