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 4140-00-133-7986
NSN 5905-01-349-3616
NSN 6135-01-491-9360
NSN 6145-01-523-0824
NSN 6620-01-239-3804
NSN 5999-00-916-5137
NSN 5915-01-592-3411
NSN 6650-00-181-8376
NSN 6620-01-090-3803
NSN 6150-01-459-5553
NSN 5990-00-444-9993
NSN 4140-01-023-8846