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 6150-01-250-2772
NSN 6685-01-054-3735
NSN 5915-01-589-0171
NSN 4140-01-558-9993
NSN 5925-01-126-5278
NSN 5965-01-420-6613
NSN 5965-01-523-8737
NSN 6220-00-548-1999
NSN 5945-01-158-6075
NSN 5965-01-258-5662
NSN 5960-00-109-2806
NSN 2925-01-515-3032