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 5975-01-540-7831
NSN 6145-00-267-0853
NSN 6150-01-034-3290
NSN 6610-01-087-7718
NSN 6320-01-366-5157
NSN 7035-00-283-3112
NSN 6685-01-359-2723
NSN 6135-01-453-5069
NSN 2925-00-839-6815
NSN 7035-01-072-3451
NSN 6105-00-008-6140
NSN 6105-01-656-9198