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 6610-01-339-8300
NSN 5910-00-824-7820
NSN 5999-01-407-5570
NSN 5945-00-880-8162
NSN 5990-01-316-9477
NSN 5945-01-561-8206
NSN 5998-01-540-3372
NSN 5960-01-505-2426
NSN 6145-01-615-2892
NSN 5999-01-429-7018
NSN 5935-00-633-6294
NSN 6650-01-014-9299