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 5905-01-059-1665
NSN 5930-00-540-8311
NSN 2925-01-534-7314
NSN 6650-01-610-3013
NSN 5920-00-815-5599
NSN 6150-00-596-8766
NSN 6240-00-005-7302
NSN 5895-00-468-4103
NSN 6110-01-472-2504
NSN 6135-01-199-1185
NSN 5990-01-215-0590
NSN 6685-00-281-9148