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 6320-01-332-1977
NSN 6650-01-586-9997
NSN 6620-00-310-5904
NSN 5920-00-984-4428
NSN 6150-00-595-6931
NSN 5960-00-182-7375
NSN 4140-01-554-3726
NSN 6150-01-194-3287
NSN 5999-00-126-4918
NSN 5905-01-612-2618
NSN 6135-00-715-4001
NSN 6135-01-291-6712