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 6110-01-312-1981
NSN 5996-01-452-7888
NSN 6135-01-435-8451
NSN 2925-00-706-2720
NSN 5985-00-677-8336
NSN 5960-01-146-8707
NSN 4140-01-137-1980
NSN 6130-00-925-2303
NSN 5950-01-513-0136
NSN 5920-00-373-3636
NSN 6610-01-354-7963
NSN 6320-01-189-6891