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 6110-01-300-3796
NSN 7035-01-068-4175
NSN 6240-00-600-7138
NSN 5855-01-634-0259
NSN 6620-00-179-2575
NSN 5935-01-290-7761
NSN 2925-01-127-0167
NSN 5855-01-167-2162
NSN 4140-01-640-6637
NSN 2925-01-146-0278
NSN 7035-00-763-6180
NSN 5930-01-420-6372