In accordance us army drawing 11b5090697
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 6130-01-498-9066
NSN 6105-01-227-5992
NSN 6105-00-955-0170
NSN 5835-00-231-9544
NSN 6150-01-291-2766
NSN 5835-01-043-1576
NSN 6620-00-394-1812
NSN 5910-01-471-0133
NSN 5925-01-406-4093
NSN 5920-01-295-3267
NSN 5935-01-378-6239
NSN 5975-01-632-0037