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 5985-01-231-1040
NSN 5895-00-888-0062
NSN 5950-01-656-6419
NSN 6220-01-633-1534
NSN 5895-00-503-2551
NSN 6145-00-545-7215
NSN 4140-01-313-2455
NSN 2925-00-321-2032
NSN 5915-01-222-0879
NSN 6135-01-316-9794
NSN 5910-01-585-1701
NSN 5965-00-416-6618