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 6240-01-259-2090
NSN 5950-00-489-7743
NSN 5930-01-067-8084
NSN 5930-00-867-2424
NSN 5975-00-891-9738
NSN 5950-01-362-5196
NSN 5990-00-112-2440
NSN 5975-01-218-4044
NSN 5855-00-610-4052
NSN 5855-01-443-5330
NSN 5975-01-364-1117
NSN 6135-00-932-3136