A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5985-00-288-6001
NSN 5905-01-169-9933
NSN 5895-00-225-9589
NSN 5920-00-081-9156
NSN 5915-01-264-9257
NSN 6240-00-353-5753
NSN 6145-00-366-5790
NSN 5910-00-852-4096
NSN 5985-01-634-0635
NSN 5910-00-833-8298
NSN 6220-01-381-1793
NSN 5935-00-966-2211