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 6135-01-449-0625
NSN 6620-01-481-1358
NSN 5965-00-161-3954
NSN 5985-01-634-0635
NSN 5998-00-970-9133
NSN 4140-01-536-7146
NSN 6620-01-463-1373
NSN 5990-00-394-3987
NSN 5925-01-531-8752
NSN 5990-00-409-3594
NSN 6320-01-366-5157
NSN 6220-01-209-0030