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 6150-01-019-3840
NSN 6645-01-314-1776
NSN 5835-01-524-4731
NSN 6620-01-580-0883
NSN 5945-01-235-2841
NSN 5945-01-426-1064
NSN 6650-01-506-0386
NSN 5910-01-367-9839
NSN 7035-00-299-7150
NSN 6620-01-052-2773
NSN 5895-00-890-5333
NSN 5999-01-045-4155