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 6320-01-214-0350
NSN 6110-01-323-5273
NSN 5895-00-256-3712
NSN 5915-01-382-9383
NSN 5920-01-401-5315
NSN 6110-01-514-7910
NSN 5910-01-472-4972
NSN 7035-00-703-3535
NSN 6650-00-379-5434
NSN 5920-01-630-5502
NSN 6135-01-299-7252
NSN 5960-01-477-7632