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 6320-01-607-1491
NSN 5950-01-508-4244
NSN 5960-01-498-0572
NSN 4140-01-293-4711
NSN 5920-00-373-3636
NSN 5945-00-420-1273
NSN 6645-01-028-2186
NSN 4140-00-628-8751
NSN 2925-00-134-4827
NSN 6135-01-400-2947
NSN 5945-01-068-4471
NSN 6620-01-408-0825