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 5855-01-400-1590
NSN 5960-01-388-1988
NSN 4140-01-508-3910
NSN 6610-01-590-7222
NSN 6110-01-516-7252
NSN 6620-00-709-7389
NSN 6220-00-078-2727
NSN 6220-01-201-1489
NSN 5920-00-526-9238
NSN 5895-01-318-3266
NSN 5910-00-445-5140
NSN 5990-00-424-1598