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 5975-01-604-2217
NSN 6145-01-448-0832
NSN 5920-01-608-2963
NSN 7035-01-477-9028
NSN 7035-01-366-5912
NSN 5998-01-032-5958
NSN 5975-01-495-1481
NSN 6220-01-587-5208
NSN 5910-01-545-0280
NSN 5999-01-052-1646
NSN 5925-01-341-8166
NSN 2925-01-583-4255