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 6650-01-027-3632
NSN 6620-01-206-3922
NSN 6130-00-501-7696
NSN 5925-01-082-0591
NSN 4140-00-965-1266
NSN 5998-01-158-8142
NSN 5965-00-548-2130
NSN 5920-01-475-4172
NSN 6620-01-615-2322
NSN 5930-01-535-0988
NSN 5999-01-619-7397