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 5996-01-055-3457
NSN 2925-01-304-9200
NSN 6320-01-393-7022
NSN 5905-01-146-8098
NSN 5905-00-819-7567
NSN 5915-00-103-2631
NSN 5915-01-139-3321
NSN 5965-01-622-3118
NSN 6105-01-124-3877
NSN 5915-00-605-7560
NSN 6610-01-010-2112
NSN 6240-01-271-2222