A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
Classification: Nuts of iron or steel
NSN 6150-01-301-5885
NSN 4140-01-302-6824
NSN 5895-00-153-8328
NSN 5985-01-502-0643
NSN 5915-00-877-3970
NSN 5855-00-941-3037
NSN 5915-01-464-9287
NSN 5998-01-133-2679
NSN 6105-00-089-6824
NSN 6320-01-643-0850
NSN 6240-01-426-2190
NSN 4140-00-936-0233