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 5920-01-393-0614
NSN 5935-01-514-4488
NSN 6135-01-503-1688
NSN 6145-01-058-6113
NSN 5910-01-491-9677
NSN 5990-01-050-7535
NSN 6685-01-496-3349
NSN 6610-01-099-6186
NSN 6145-01-243-0123
NSN 6240-00-120-0140
NSN 5960-01-515-4791
NSN 6150-01-090-1631