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 6130-01-521-2207
NSN 6685-01-341-9325
NSN 6620-01-491-7001
NSN 5930-01-541-9753
NSN 5910-01-339-4615
NSN 5910-01-419-3684
NSN 6105-01-167-2127
NSN 5925-00-868-4313
NSN 5996-00-186-8709
NSN 5950-01-302-8334
NSN 5950-01-173-8223
NSN 6650-01-357-0785