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 5998-00-609-4368
NSN 5945-01-459-1560
NSN 6220-01-463-6068
NSN 5895-01-017-4838
NSN 6110-01-442-0661
NSN 5999-00-703-1799
NSN 5920-00-601-2390
NSN 6240-01-028-0987
NSN 5975-00-121-3589
NSN 6610-00-673-8854
NSN 6105-01-398-0814
NSN 5905-00-388-0188