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 5990-01-431-6749
NSN 5855-00-256-5562
NSN 5945-01-421-4135
NSN 5998-00-397-6436
NSN 6110-00-288-4179
NSN 2925-00-455-2367
NSN 5925-01-209-2173
NSN 6130-00-205-1714
NSN 4140-01-514-9581
NSN 5990-00-121-2134
NSN 5930-00-302-1125
NSN 6620-01-179-7259