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 6240-01-010-2991
NSN 4140-01-369-8734
NSN 5930-01-172-6196
NSN 5930-01-141-0088
NSN 6130-01-569-6056
NSN 5999-01-241-3988
NSN 5945-00-539-6834
NSN 6645-01-223-2402
NSN 5905-00-148-8338
NSN 5895-01-324-7957
NSN 6240-01-052-4248
NSN 4140-00-255-2458