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 5950-01-206-4717
NSN 7035-01-026-1171
NSN 6105-01-586-3592
NSN 5998-00-924-5816
NSN 5920-00-529-0618
NSN 6110-00-107-8524
NSN 5960-01-438-0245
NSN 5950-00-189-0551
NSN 6145-01-176-1061
NSN 7035-01-056-5350
NSN 5990-01-230-0059
NSN 5965-01-265-2980