Two drive points, at 180 degree angle, 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 6150-01-306-0866
NSN 6620-01-255-7757
NSN 6145-01-598-8511
NSN 6105-01-595-5868
NSN 4140-01-564-0574
NSN 4140-00-195-7336
NSN 5855-00-408-2611
NSN 5915-01-266-1653
NSN 5920-00-192-6565
NSN 5905-01-411-6918
NSN 5998-00-076-7462
NSN 5996-01-372-5063