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 5998-01-007-0738
NSN 6150-01-168-0676
NSN 5965-00-529-0602
NSN 5965-01-422-1392
NSN 6150-01-349-6038
NSN 5945-01-654-9004
NSN 5915-00-168-1022
NSN 4140-01-196-0121
NSN 2925-00-155-8091
NSN 5950-01-633-2242
NSN 5965-01-245-6585
NSN 6220-01-433-5828