2 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 7035-01-145-5059
NSN 6610-00-104-7518
NSN 6145-01-117-4296
NSN 6645-01-272-6987
NSN 5910-01-070-9037
NSN 5990-00-865-8002
NSN 5855-00-862-3345
NSN 5990-01-307-4489
NSN 5960-01-391-8860
NSN 5905-01-446-3732
NSN 5905-01-476-1545
NSN 6620-01-139-6455