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 4140-01-440-1992
NSN 7035-00-413-0992
NSN 5950-01-099-7324
NSN 5945-01-397-2123
NSN 5975-01-374-0829
NSN 6645-00-295-0625
NSN 5920-00-754-5252
NSN 5910-01-467-0658
NSN 2925-01-359-4027
NSN 6320-01-292-6635
NSN 5915-01-360-5612
NSN 5996-01-627-9267