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 6320-00-725-0754
NSN 6645-01-153-2090
NSN 6150-01-112-7180
NSN 5996-01-493-2705
NSN 5985-00-766-1970
NSN 5910-00-446-9131
NSN 5935-00-143-1399
NSN 5945-01-108-1490
NSN 5985-01-602-4716
NSN 7035-01-225-5114
NSN 6110-00-152-8967
NSN 5895-01-472-3672