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 6685-01-121-2192
NSN 6650-01-261-1217
NSN 5998-00-150-5227
NSN 5910-01-615-0377
NSN 6620-01-523-4637
NSN 5960-00-600-1454
NSN 5945-01-100-4479
NSN 6610-01-158-6540
NSN 6240-01-248-7888
NSN 5985-01-646-1108
NSN 5996-00-813-3304
NSN 6610-01-170-8318