Two 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.
NSN 6145-01-391-6199
NSN 5920-00-557-2897
NSN 6130-01-141-5165
NSN 6610-01-217-4162
NSN 6220-00-267-3239
NSN 5975-00-257-2793
NSN 7035-00-513-9764
NSN 5996-01-388-1275
NSN 5920-01-185-2222
NSN 5985-01-152-3902
NSN 5935-01-587-9445
NSN 5960-01-294-2397