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 6650-00-054-4721
NSN 6145-00-355-6498
NSN 5965-01-361-9760
NSN 6220-01-250-2376
NSN 5960-01-538-2082
NSN 5915-00-318-8872
NSN 5985-01-173-3309
NSN 5975-00-924-9927
NSN 6110-01-528-6373
NSN 5999-00-398-1583
NSN 5975-01-348-4005
NSN 7035-01-127-0147