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 5998-01-134-5405
NSN 5920-01-003-8110
NSN 6685-01-080-1948
NSN 6610-01-616-2877
NSN 6130-00-858-0892
NSN 5960-01-536-6398
NSN 6610-01-616-8852
NSN 5915-01-547-1911
NSN 6135-00-930-5372
NSN 4140-00-913-9374
NSN 5910-01-327-1738
NSN 6645-01-609-4753