A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.
Classification: Nuts of iron or steel
NSN 6685-00-580-5958
NSN 5835-01-653-7806
NSN 5920-00-481-1419
NSN 6320-01-029-4220
NSN 6240-01-092-8846
NSN 6620-01-633-8443
NSN 6135-01-347-0201
NSN 5965-01-534-9961
NSN 6685-00-971-2570
NSN 6610-01-302-2073
NSN 4140-01-539-4354
NSN 5960-01-495-0859