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 2925-01-032-3814
NSN 6240-00-334-6766
NSN 6105-01-396-9559
NSN 5960-01-448-2282
NSN 5915-01-152-9368
NSN 6650-00-409-8949
NSN 6150-01-217-6943
NSN 6620-01-168-8450
NSN 5855-00-156-5489
NSN 6145-01-406-3650
NSN 5965-01-572-7803
NSN 5985-01-281-3801