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 5960-01-111-9918
NSN 2925-01-359-9818
NSN 6320-01-325-6607
NSN 6110-00-577-8156
NSN 5930-01-036-6312
NSN 5985-00-237-8499
NSN 5990-01-170-6081
NSN 4140-00-895-3417
NSN 6650-00-296-4670
NSN 5935-01-492-5404
NSN 5910-00-737-1617
NSN 5999-01-157-6199