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 6650-00-404-1788
NSN 6150-01-045-7088
NSN 6685-00-900-3386
NSN 6620-01-091-3722
NSN 5990-00-045-5353
NSN 6105-00-246-5311
NSN 5990-01-600-5989
NSN 6610-01-626-8139
NSN 5935-01-040-3427
NSN 5905-01-415-6182
NSN 4140-01-274-7720
NSN 5990-00-900-4459