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 5990-01-303-6110
NSN 5910-00-017-2731
NSN 6645-01-210-5649
NSN 6620-00-854-0961
NSN 5905-01-651-5060
NSN 5905-01-644-3836
NSN 5985-01-513-6656
NSN 4140-01-242-8254
NSN 5930-01-032-3826
NSN 5945-01-481-2280
NSN 4140-00-959-4255
NSN 6105-01-115-8688