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 6645-01-633-1852
NSN 6650-01-278-2151
NSN 6110-01-560-9306
NSN 5975-00-401-9734
NSN 5975-01-256-6422
NSN 5950-00-125-5525
NSN 5996-01-557-1119
NSN 5930-01-302-7188
NSN 5960-01-184-3436
NSN 5999-01-413-0426
NSN 5960-01-570-8605
NSN 6220-00-269-4556