A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
Classification: Nuts of iron or steel
NSN 5990-01-419-0661
NSN 5950-00-235-9425
NSN 5905-00-279-8572
NSN 5965-00-387-6880
NSN 6685-01-082-3764
NSN 6645-01-154-1101
NSN 5915-01-529-6702
NSN 6135-01-479-4020
NSN 5998-01-123-9687
NSN 5990-01-411-5930
NSN 6150-01-400-4211
NSN 5910-00-452-5957