Chromic acid dipped
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 5920-00-820-4301
NSN 5920-01-644-0181
NSN 5965-01-644-6633
NSN 5835-01-023-6774
NSN 7035-01-379-8777
NSN 5990-00-919-2110
NSN 5945-01-476-4948
NSN 5935-01-231-5863
NSN 5996-01-085-7616
NSN 2925-01-146-0278
NSN 5960-01-649-1341
NSN 5985-01-288-6737