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 5930-01-449-0621
NSN 5855-01-358-5253
NSN 6650-00-922-7075
NSN 6110-01-548-1006
NSN 5998-01-589-4530
NSN 5996-01-395-6182
NSN 6135-01-560-2416
NSN 2925-01-547-4565
NSN 5835-00-348-8549
NSN 6650-00-063-4484
NSN 6145-01-557-3355
NSN 5925-01-384-3402