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 5985-01-551-0890
NSN 6620-00-820-9616
NSN 6105-00-253-9279
NSN 6135-01-515-4260
NSN 6650-00-629-8027
NSN 5999-01-651-7914
NSN 6320-00-300-4452
NSN 5905-01-534-3754
NSN 6620-00-718-6525
NSN 6645-01-215-0617
NSN 5975-00-886-8200
NSN 5965-01-129-1393