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 6650-01-651-2324
NSN 5960-00-074-8968
NSN 5998-00-901-3003
NSN 5905-01-013-7043
NSN 6610-01-595-2119
NSN 6110-01-222-0767
NSN 5910-01-123-9034
NSN 5855-01-634-0259
NSN 6620-00-028-3370
NSN 5990-00-808-2184
NSN 5920-00-660-6998
NSN 6320-01-006-6138