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 6240-01-417-8792
NSN 6685-01-443-1237
NSN 6650-01-046-3718
NSN 6620-01-425-2517
NSN 5905-01-400-0532
NSN 5910-00-442-8084
NSN 6220-00-149-0977
NSN 5998-01-010-4508
NSN 5990-01-432-0523
NSN 5930-01-415-3111
NSN 5975-01-499-0497
NSN 5965-00-455-7581