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 6220-01-640-6930
NSN 6110-01-542-4935
NSN 5985-01-420-6536
NSN 5960-01-558-7787
NSN 5945-01-028-8622
NSN 5990-01-189-9338
NSN 6685-00-719-8313
NSN 6110-00-960-7341
NSN 6320-01-019-1028
NSN 6645-00-658-7838
NSN 2925-00-258-9786
NSN 6685-01-204-5458