2 drive points, at 180 degree angle have been omitted
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 5975-01-139-5135
NSN 5935-01-518-1647
NSN 6685-00-907-3496
NSN 5935-00-978-1018
NSN 5975-01-500-1858
NSN 5985-01-273-3531
NSN 6150-01-225-4539
NSN 6320-01-111-8851
NSN 5998-01-555-0674
NSN 4140-00-470-0530
NSN 6145-01-416-2413
NSN 5990-01-388-0252