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 6610-00-403-1991
NSN 5996-01-202-8127
NSN 6645-01-220-7490
NSN 6110-01-126-5034
NSN 6135-01-366-7477
NSN 6240-01-515-0260
NSN 6110-01-588-8383
NSN 5905-01-488-4548
NSN 6105-00-328-6472
NSN 6130-01-343-7031
NSN 6135-01-180-9611
NSN 5915-01-273-8922