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 6645-00-602-5968
NSN 4140-00-231-1475
NSN 5920-00-111-2375
NSN 5915-01-167-1612
NSN 5996-01-413-7533
NSN 5950-01-434-5691
NSN 6620-01-010-0518
NSN 5975-01-505-9360
NSN 5960-01-262-1399
NSN 6240-01-149-8590
NSN 5996-01-361-2734
NSN 5935-01-422-2094