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 6110-01-510-0762
NSN 6620-01-100-7350
NSN 5930-01-032-4502
NSN 6610-01-044-4740
NSN 5965-00-015-7408
NSN 5905-01-116-2689
NSN 5999-01-483-2187
NSN 4140-01-127-6112
NSN 5996-00-777-7134
NSN 5990-00-057-2795
NSN 5985-01-082-8167
NSN 5835-01-604-7489