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 6110-01-397-7454
NSN 5965-01-501-5638
NSN 6610-01-258-7059
NSN 4140-01-123-9149
NSN 4140-00-501-7833
NSN 5990-00-269-2226
NSN 6145-01-436-3738
NSN 5925-01-600-0250
NSN 5905-01-192-7287
NSN 6220-01-414-7777
NSN 5990-01-560-0896
NSN 5996-01-014-6103