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 5925-00-138-5108
NSN 5930-00-166-8097
NSN 5965-00-451-0033
NSN 5930-01-388-5320
NSN 5905-01-270-1075
NSN 6145-01-557-7055
NSN 6220-00-420-4364
NSN 5925-01-309-3951
NSN 4140-00-686-0839
NSN 5905-01-268-2246
NSN 5920-01-406-6637
NSN 6685-01-551-6686