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 5990-00-920-2894
NSN 5835-01-208-5649
NSN 5935-01-165-4875
NSN 5930-01-576-6089
NSN 4140-01-203-9910
NSN 2925-00-092-6526
NSN 5935-01-502-8683
NSN 5835-01-381-2683
NSN 5835-01-463-2334
NSN 5935-01-582-1014
NSN 5935-00-513-7321
NSN 6220-01-427-2333