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 6620-01-540-1524
NSN 7035-01-254-3606
NSN 4140-00-075-2000
NSN 6240-01-416-2333
NSN 6645-00-003-5945
NSN 5990-00-479-9157
NSN 5990-00-104-4903
NSN 6620-01-352-5640
NSN 6240-01-122-7391
NSN 5998-00-847-8696
NSN 5895-00-387-4901
NSN 5935-01-010-2729