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 5905-01-619-3726
NSN 5930-00-473-0570
NSN 5998-01-245-0382
NSN 5935-01-632-0520
NSN 5895-00-577-4078
NSN 5920-00-518-4452
NSN 5905-00-963-8077
NSN 6645-01-356-1179
NSN 2925-00-964-7128
NSN 5935-01-658-9141
NSN 6105-00-105-6943
NSN 5915-00-497-4391