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 6620-00-133-0220
NSN 6110-01-411-6660
NSN 6685-01-519-9222
NSN 6645-01-398-2505
NSN 2925-01-422-1542
NSN 6220-01-537-7077
NSN 6110-01-501-5764
NSN 5915-00-445-7417
NSN 5985-00-538-5373
NSN 5855-01-199-2046
NSN 4140-01-520-3456
NSN 5905-00-452-1367