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 5895-01-407-8133
NSN 6240-01-455-9853
NSN 6645-01-165-3785
NSN 5965-00-493-6008
NSN 5965-01-359-5501
NSN 6620-01-054-9346
NSN 7035-00-055-9778
NSN 6610-00-139-9757
NSN 6130-00-530-2233
NSN 5920-01-594-4708
NSN 5945-00-802-8940
NSN 7035-01-145-5059