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 5915-00-785-5931
NSN 6130-01-229-1052
NSN 2925-01-426-3410
NSN 4140-01-533-0611
NSN 6105-01-491-3006
NSN 5990-00-819-9949
NSN 5999-00-739-7927
NSN 6685-01-133-0525
NSN 6105-00-964-9786
NSN 5965-00-988-8770
NSN 6650-01-443-5342
NSN 5905-00-860-4062