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 6650-01-157-1667
NSN 5905-01-562-2833
NSN 2925-01-154-2949
NSN 6145-00-455-7237
NSN 5950-00-368-7182
NSN 6240-00-044-3728
NSN 6610-01-500-2415
NSN 6650-01-105-0209
NSN 7035-01-381-6185
NSN 5910-00-210-2605
NSN 5925-01-391-4986
NSN 6150-01-475-8481