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 6645-01-358-7485
NSN 6650-00-107-8509
NSN 6685-01-222-1762
NSN 5835-00-706-0829
NSN 6240-01-540-2749
NSN 5998-01-495-0882
NSN 5999-01-149-5207
NSN 5855-01-013-6864
NSN 5930-01-089-0516
NSN 6685-00-596-8765
NSN 5960-00-898-8028
NSN 5920-01-592-6722