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 5920-01-018-2596
NSN 5985-01-060-3242
NSN 5965-00-222-7394
NSN 6105-01-459-4831
NSN 6620-01-629-4045
NSN 5855-00-198-3197
NSN 5925-01-366-1915
NSN 5960-01-472-5263
NSN 6105-01-381-9238
NSN 5920-01-654-7419
NSN 5996-01-426-1920
NSN 5920-00-155-2173