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.
Classification: Nuts of iron or steel
NSN 6645-00-397-2210
NSN 5910-00-509-5843
NSN 5905-01-211-5885
NSN 6220-01-611-1224
NSN 6685-01-227-3137
NSN 6650-00-122-1109
NSN 6645-00-222-2785
NSN 5905-01-237-2582
NSN 6145-00-275-4016
NSN 4140-01-215-1124
NSN 6145-01-629-0905
NSN 5945-00-802-6468