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 6620-01-490-5664
NSN 5990-01-142-0538
NSN 5925-01-658-8747
NSN 5975-01-391-7529
NSN 6320-01-111-8851
NSN 5945-00-274-5690
NSN 6130-01-273-0944
NSN 5855-00-925-0114
NSN 5960-01-170-4057
NSN 5999-01-111-9739
NSN 6110-01-083-8317
NSN 6110-01-137-0063