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 6240-00-466-0703
NSN 6240-01-401-5340
NSN 5915-01-334-4405
NSN 6650-01-633-9147
NSN 6645-00-047-9470
NSN 6110-00-881-8158
NSN 5950-01-009-2031
NSN 5998-01-602-5343
NSN 5915-01-563-1323
NSN 5925-00-113-5066
NSN 5950-01-382-6382
NSN 6130-01-197-7009