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 5950-00-202-1066
NSN 5975-01-078-3266
NSN 5960-01-380-9692
NSN 6135-01-459-0089
NSN 6150-01-276-7816
NSN 5998-00-596-8869
NSN 5950-01-038-7968
NSN 6150-01-593-3119
NSN 5990-01-443-2931
NSN 5835-01-424-4577
NSN 5950-00-778-8652
NSN 5996-00-098-3864