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 4140-01-548-8081
NSN 5945-00-053-4549
NSN 5905-01-462-0642
NSN 6685-01-263-9972
NSN 6135-01-593-5295
NSN 5960-00-935-6484
NSN 5855-00-548-4742
NSN 5960-00-179-4749
NSN 4140-01-585-8374
NSN 6150-01-353-1555
NSN 6650-01-360-3848
NSN 6130-00-468-1656