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.
NSN 2925-00-914-7627
NSN 5920-01-139-5973
NSN 5996-00-501-4326
NSN 6145-01-447-8168
NSN 5960-01-513-3230
NSN 5945-01-335-4366
NSN 5965-01-476-6146
NSN 5835-01-488-6678
NSN 5996-01-113-7676
NSN 6110-01-328-6777
NSN 6610-01-014-3964
NSN 6610-01-464-3037