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 5990-01-082-3807
NSN 5920-01-560-5472
NSN 5990-01-357-6175
NSN 5960-01-456-1735
NSN 6145-01-320-0000
NSN 5915-01-574-8959
NSN 5950-00-275-0391
NSN 5990-00-859-2932
NSN 6240-00-095-3915
NSN 5835-01-059-5535
NSN 5930-01-464-2175
NSN 5925-00-736-0425