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 6220-01-536-1965
NSN 5925-01-580-7715
NSN 2925-01-394-1812
NSN 6110-01-577-3783
NSN 5965-01-633-8849
NSN 5895-01-160-8101
NSN 5855-00-962-5792
NSN 5925-00-837-9467
NSN 5999-01-108-1103
NSN 6150-00-374-9318
NSN 6220-01-276-5399
NSN 6620-00-410-0331