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 4140-01-183-0618
NSN 5930-00-924-7603
NSN 6130-00-356-1787
NSN 5975-01-600-6277
NSN 6135-01-177-3552
NSN 6135-00-816-9052
NSN 6240-00-250-8693
NSN 6145-00-840-8510
NSN 5999-01-010-4330
NSN 5930-01-453-8417
NSN 5935-01-616-4565
NSN 5985-01-618-7060