H3 thread limit
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 5965-01-380-1808
NSN 5999-01-202-2935
NSN 6135-01-260-7180
NSN 6610-00-361-6954
NSN 5920-00-411-3138
NSN 6150-01-031-3818
NSN 2925-00-698-4882
NSN 5990-00-324-4454
NSN 6620-01-573-8003
NSN 5996-00-759-8173
NSN 4140-01-168-7115
NSN 5965-01-160-2691