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 7035-01-132-7209
NSN 5930-00-629-9562
NSN 6145-01-146-5555
NSN 6110-01-294-8951
NSN 6105-00-325-3637
NSN 5935-00-066-2865
NSN 6105-01-588-2837
NSN 5855-01-521-4836
NSN 6685-00-803-1754
NSN 6620-00-379-2856
NSN 5965-01-537-0023
NSN 6610-00-547-4362