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 5920-00-862-8734
NSN 5960-01-597-9591
NSN 6145-01-053-8018
NSN 5990-01-189-3201
NSN 4140-00-501-7833
NSN 6145-01-311-2799
NSN 5996-00-420-9027
NSN 5920-00-365-4589
NSN 5930-00-610-5414
NSN 6320-01-422-1212
NSN 6145-01-274-3354
NSN 5960-01-468-3727