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 5895-01-205-6454
NSN 6610-01-460-4864
NSN 6620-01-408-4464
NSN 5975-01-332-3948
NSN 6610-00-109-9519
NSN 6320-01-309-7615
NSN 6240-01-332-1831
NSN 6645-00-428-8027
NSN 5930-00-247-9535
NSN 5905-00-009-8444
NSN 5905-01-593-0749
NSN 5920-01-606-0655