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 5935-01-279-8149
NSN 6145-01-158-2125
NSN 5935-01-347-2178
NSN 6620-01-330-8802
NSN 5925-00-156-4044
NSN 5835-01-432-6185
NSN 6610-01-580-0766
NSN 5895-00-087-0059
NSN 6145-00-551-5288
NSN 5905-01-390-1343
NSN 6685-01-472-6206
NSN 5835-01-519-2916