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 5975-01-477-0185
NSN 5855-01-056-9607
NSN 5945-01-564-1703
NSN 5985-01-438-3086
NSN 6320-01-029-4220
NSN 5930-01-525-7665
NSN 5895-01-497-6985
NSN 5990-01-476-0722
NSN 6610-00-911-8296
NSN 5945-01-150-0236
NSN 2925-00-660-8131
NSN 5920-01-200-6274