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 6110-01-331-0890
NSN 6150-01-269-3869
NSN 5965-01-555-8775
NSN 6135-00-840-6451
NSN 6650-01-266-8762
NSN 6645-00-119-6221
NSN 5985-01-519-3784
NSN 4140-01-102-7798
NSN 6685-00-186-9190
NSN 6220-00-226-1994
NSN 5950-01-517-7147
NSN 6105-00-147-8969