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 5996-01-181-5438
NSN 5945-00-834-0278
NSN 6145-01-021-2002
NSN 6130-00-692-2916
NSN 7035-00-371-7749
NSN 5998-00-004-1914
NSN 6130-01-411-9914
NSN 6685-00-136-3151
NSN 5965-01-122-2750
NSN 6320-00-456-2092
NSN 6685-01-634-0611
NSN 4140-00-592-3318