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 5975-01-316-8956
NSN 6150-01-192-8593
NSN 6645-01-411-2283
NSN 6135-01-540-9655
NSN 5915-01-590-5060
NSN 6145-01-422-0806
NSN 6650-01-272-9746
NSN 5920-01-011-9378
NSN 6220-00-227-0528
NSN 4140-01-197-8148
NSN 5920-01-519-2399
NSN 6645-01-444-8918