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 5998-01-082-0102
NSN 6105-01-487-3156
NSN 4140-00-913-1254
NSN 6645-01-118-4563
NSN 6110-00-257-5199
NSN 5965-00-961-1627
NSN 5915-00-705-3494
NSN 5910-00-647-1158
NSN 6110-01-108-2690
NSN 5998-00-897-8999
NSN 7035-00-763-6180
NSN 5965-01-077-3346