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 5905-01-468-6774
NSN 5920-01-432-3991
NSN 5920-01-148-9175
NSN 6240-00-497-2176
NSN 5985-01-415-0274
NSN 6610-01-342-0468
NSN 5975-01-645-1685
NSN 6685-00-107-8099
NSN 5985-01-060-7304
NSN 6105-01-447-5129
NSN 5915-00-470-8882
NSN 5935-00-555-2633