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 6150-01-257-5394
NSN 6110-01-338-8510
NSN 5998-00-936-0975
NSN 6645-00-664-4665
NSN 5996-00-296-4470
NSN 5965-00-451-0518
NSN 5965-01-189-4805
NSN 5999-01-577-2453
NSN 6150-01-132-2487
NSN 5950-01-596-8405
NSN 5996-01-392-7220
NSN 6610-01-526-9851