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 6320-01-462-3555
NSN 5996-01-552-0480
NSN 6620-01-470-2675
NSN 5930-00-358-7844
NSN 5905-01-448-7815
NSN 5895-01-323-4405
NSN 5895-00-837-3441
NSN 6650-01-502-8629
NSN 6320-00-336-9123
NSN 5998-00-842-3845
NSN 4140-01-644-5478
NSN 6240-01-621-2774