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 5990-01-050-7535
NSN 5975-00-839-0984
NSN 6240-00-855-4518
NSN 6645-01-328-1034
NSN 5905-01-633-2804
NSN 4140-00-032-5739
NSN 6145-00-866-4232
NSN 5996-00-965-5261
NSN 5855-01-528-2744
NSN 6130-01-430-0261
NSN 5930-00-043-4653
NSN 6620-00-553-8988