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 6320-00-593-0379
NSN 5905-01-352-1918
NSN 6685-00-726-8146
NSN 6220-01-193-7577
NSN 6240-01-320-1308
NSN 5935-01-079-4778
NSN 5905-00-563-2771
NSN 6110-01-511-9917
NSN 6145-01-560-8988
NSN 7035-00-225-6499
NSN 6610-00-639-3615
NSN 5855-00-482-9876