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 6620-01-568-5531
NSN 5935-01-632-1493
NSN 5996-01-168-2746
NSN 5895-01-046-8670
NSN 5905-01-165-9158
NSN 6650-00-264-0664
NSN 6145-00-635-9957
NSN 6320-01-583-6809
NSN 6650-00-369-1906
NSN 5985-01-119-9608
NSN 6650-01-348-8148
NSN 6610-01-442-3509