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 5945-01-498-4452
NSN 6110-00-988-4592
NSN 6645-01-259-7142
NSN 6610-01-324-7017
NSN 6105-00-728-1001
NSN 6650-01-286-3417
NSN 6320-01-054-3046
NSN 6645-00-664-4665
NSN 5945-01-561-1272
NSN 5945-00-100-6269
NSN 6105-01-541-4811
NSN 5925-01-517-3989