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 5910-01-136-6952
NSN 4140-01-237-0218
NSN 5996-00-522-0841
NSN 5950-01-204-0248
NSN 5915-01-559-6044
NSN 5945-00-958-0887
NSN 6645-00-966-0251
NSN 5950-01-412-4539
NSN 5910-00-425-9586
NSN 6650-01-381-3542
NSN 6240-00-153-8929
NSN 6105-01-357-0727