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 5910-00-318-6885
NSN 5935-00-932-3526
NSN 6685-01-587-5866
NSN 6150-00-964-7303
NSN 5935-00-812-7777
NSN 5855-01-054-9014
NSN 5910-01-381-3009
NSN 5915-01-463-4013
NSN 4140-01-042-9066
NSN 6135-00-334-4500
NSN 6685-01-380-2014
NSN 6220-01-362-1607