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 6240-01-545-5521
NSN 5920-00-532-3926
NSN 5998-01-566-8569
NSN 5999-00-420-1483
NSN 5990-01-278-9985
NSN 6150-00-300-0395
NSN 6620-00-080-2847
NSN 5925-00-553-2274
NSN 6145-01-381-2529
NSN 5855-00-288-1408
NSN 6150-01-224-7150
NSN 4140-01-386-5630