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 5985-01-634-0635
NSN 5920-01-536-4689
NSN 5960-01-597-9591
NSN 6130-01-471-4660
NSN 6145-00-082-5172
NSN 5950-00-423-7420
NSN 5945-01-456-1340
NSN 5996-01-124-0781
NSN 5895-00-245-1952
NSN 6620-00-060-6801
NSN 6130-01-145-4421
NSN 6240-00-227-0135