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 5996-01-566-0344
NSN 6220-01-144-5166
NSN 5945-01-196-4656
NSN 6240-01-624-7655
NSN 5905-00-358-1512
NSN 5965-01-468-5016
NSN 6240-01-418-1917
NSN 2925-01-650-3412
NSN 5960-00-069-4762
NSN 6130-00-869-8908
NSN 6645-00-896-9430
NSN 5915-01-367-8496