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 4140-01-595-0715
NSN 5945-01-431-3729
NSN 5910-00-421-2393
NSN 5999-01-352-6764
NSN 5905-01-598-9411
NSN 6135-00-913-2062
NSN 5999-00-391-6985
NSN 6145-01-013-7171
NSN 5985-01-521-8687
NSN 5998-00-133-9527
NSN 6320-00-310-1080
NSN 4140-01-176-6876