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 6645-00-574-9712
NSN 6130-01-168-5286
NSN 5985-01-332-1172
NSN 4140-01-217-6290
NSN 7035-01-479-5268
NSN 5855-01-258-5161
NSN 6645-01-607-7931
NSN 5855-01-501-5683
NSN 5965-01-320-1808
NSN 6110-00-221-1868
NSN 6650-01-040-8225
NSN 5996-00-974-3564