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 5990-01-233-4178
NSN 6150-01-054-8906
NSN 5990-00-970-2171
NSN 5855-01-241-1054
NSN 5990-01-252-8175
NSN 2925-00-001-4604
NSN 6150-01-323-1489
NSN 5920-01-519-2712
NSN 6610-00-269-4506
NSN 5990-00-878-6509
NSN 6135-01-558-7257
NSN 5960-01-381-2478