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 6150-01-556-9661
NSN 5895-01-327-6739
NSN 5999-01-311-5841
NSN 6645-00-081-4298
NSN 5998-01-314-4545
NSN 7035-01-387-0493
NSN 5895-01-069-2096
NSN 5930-01-607-6320
NSN 5998-01-629-2748
NSN 6220-01-439-3332
NSN 5835-01-126-2480
NSN 5925-00-188-8678