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 6620-01-189-8153
NSN 5990-01-343-6407
NSN 6150-01-216-2760
NSN 6105-01-438-6955
NSN 7035-01-492-6484
NSN 5999-00-082-4056
NSN 5920-01-615-2026
NSN 6320-01-425-1417
NSN 5985-01-366-7950
NSN 5985-01-327-6860
NSN 6645-01-383-6514
NSN 5905-01-032-1293