A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5915-01-338-2202
NSN 4140-01-603-9782
NSN 5975-00-467-8777
NSN 6620-01-270-4660
NSN 6220-00-105-6144
NSN 5935-01-469-3193
NSN 5999-00-599-8765
NSN 5960-00-038-5433
NSN 6135-01-222-5464
NSN 5960-00-936-3334
NSN 6610-00-174-6709
NSN 6145-01-174-5268