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 4140-01-391-1974
NSN 5950-01-372-8092
NSN 5920-01-094-0857
NSN 5855-00-316-5050
NSN 5996-01-210-0280
NSN 5835-01-642-4705
NSN 7035-01-029-7221
NSN 5915-01-196-4787
NSN 6610-00-457-0325
NSN 5895-00-932-9795
NSN 2925-01-604-8984
NSN 6110-00-138-9520