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 5915-01-024-8200
NSN 5930-00-391-6323
NSN 5985-01-513-4158
NSN 6105-00-197-2128
NSN 6610-00-856-7136
NSN 5996-00-316-3191
NSN 5965-01-618-6569
NSN 5960-01-303-5884
NSN 5935-00-996-1972
NSN 6240-01-014-5598
NSN 5999-01-643-1183
NSN 6320-01-612-7035