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 6650-01-322-1963
NSN 5910-01-183-6688
NSN 4140-01-175-0098
NSN 6645-01-542-6159
NSN 5895-00-970-4128
NSN 5996-01-074-9603
NSN 5998-01-050-9471
NSN 5996-01-040-9680
NSN 5855-00-089-3974
NSN 5895-00-408-5044
NSN 6685-01-415-0972
NSN 5975-01-450-0451