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 5935-01-549-3528
NSN 5925-00-584-0891
NSN 7035-01-023-7859
NSN 2925-01-164-9579
NSN 6620-01-533-5023
NSN 5960-00-914-1200
NSN 6150-00-912-6376
NSN 6145-01-348-7234
NSN 6135-01-504-4309
NSN 6240-00-297-3919
NSN 5945-01-482-5743
NSN 6620-00-075-5861