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 6685-01-158-0890
NSN 4140-01-541-1633
NSN 5905-01-034-2579
NSN 6320-01-274-2501
NSN 6240-01-310-5043
NSN 5910-00-407-7302
NSN 6220-00-289-9915
NSN 6130-00-305-7717
NSN 6645-00-763-4852
NSN 2925-01-424-0235
NSN 7035-01-311-8424
NSN 5855-00-318-7185