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 5965-01-179-7749
NSN 5925-00-246-4645
NSN 6135-01-609-0843
NSN 4140-01-127-6112
NSN 6145-01-484-6698
NSN 5855-00-494-9581
NSN 6145-01-499-4107
NSN 6620-01-608-8548
NSN 5998-00-839-1350
NSN 2925-01-384-4139
NSN 6135-00-548-2765
NSN 6685-01-649-7127