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 5930-00-222-7341
NSN 5945-01-049-8358
NSN 5930-00-250-5524
NSN 5920-01-167-5884
NSN 6110-01-440-9158
NSN 4140-01-463-3295
NSN 5960-01-064-7121
NSN 6240-00-456-2578
NSN 5920-00-070-4681
NSN 6135-01-470-4077
NSN 5935-00-775-8877
NSN 5975-00-677-7036