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 5975-01-239-8850
NSN 6145-01-340-1305
NSN 5999-01-041-6949
NSN 5855-00-051-2792
NSN 5985-00-190-4781
NSN 5945-00-934-9045
NSN 4140-00-816-8820
NSN 5930-01-113-8011
NSN 5935-00-498-5839
NSN 5925-01-510-8584
NSN 6150-01-281-7279
NSN 5920-01-510-9172