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 5950-01-139-5266
NSN 6110-01-165-9306
NSN 6220-00-437-2737
NSN 5855-01-236-9645
NSN 5915-01-643-0094
NSN 6145-00-846-6165
NSN 5996-01-253-8209
NSN 6145-01-468-6252
NSN 5915-01-207-1416
NSN 5905-00-513-3451
NSN 6650-01-102-3422
NSN 6645-01-082-6389