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 5998-01-232-1970
NSN 6320-01-089-9086
NSN 5920-01-412-6874
NSN 6620-01-438-8479
NSN 6685-01-047-1479
NSN 4140-00-580-7038
NSN 6130-01-417-2662
NSN 7035-01-126-3239
NSN 5930-00-279-2897
NSN 5950-01-021-6198
NSN 6220-00-996-4285
NSN 5930-01-379-1251