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 5905-01-424-7460
NSN 6320-00-468-8421
NSN 6645-01-633-1852
NSN 5965-00-505-2166
NSN 5990-00-201-1162
NSN 6610-01-352-6344
NSN 7035-01-411-6062
NSN 6620-01-105-3264
NSN 4140-01-511-0286
NSN 5985-01-459-4851
NSN 6610-01-110-3802
NSN 5835-01-657-0245