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 5999-01-512-1993
NSN 5930-00-120-9365
NSN 6685-01-418-4388
NSN 4140-01-142-3192
NSN 5895-01-392-0872
NSN 5990-01-641-2217
NSN 5998-00-210-0309
NSN 6620-00-401-4988
NSN 5975-01-011-7239
NSN 5996-00-505-2311
NSN 5895-01-462-2650
NSN 6240-00-089-8364