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 6685-00-684-3140
NSN 6685-01-491-3879
NSN 5950-01-557-3312
NSN 5990-01-419-0661
NSN 6610-01-367-1640
NSN 5975-01-437-4474
NSN 5996-01-231-9232
NSN 6110-01-220-7168
NSN 6645-01-422-3510
NSN 6110-00-353-0139
NSN 5960-01-425-1454
NSN 6620-00-466-2314