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 6620-00-460-2909
NSN 5920-01-227-1877
NSN 5950-00-170-5041
NSN 6240-00-800-4668
NSN 5855-00-904-9572
NSN 5985-01-467-6356
NSN 6135-01-202-8113
NSN 6650-00-921-8463
NSN 5915-00-201-3649
NSN 6610-01-266-0880
NSN 6220-00-902-3692
NSN 5996-01-323-7763