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 6240-01-351-6729
NSN 6145-01-608-8117
NSN 5935-00-414-1370
NSN 6620-01-148-9071
NSN 5998-01-431-5839
NSN 7035-01-429-7954
NSN 5960-01-444-2205
NSN 5996-01-243-4072
NSN 5999-01-255-2105
NSN 5855-00-004-0904
NSN 5950-01-331-3874
NSN 6145-01-549-8410