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 5950-00-533-7188
NSN 6105-01-059-6108
NSN 5950-00-618-8245
NSN 6135-01-495-0933
NSN 2925-00-753-8598
NSN 5990-00-845-2864
NSN 6145-01-401-3713
NSN 6150-00-775-7274
NSN 5895-01-113-3925
NSN 6650-00-618-9398
NSN 6320-01-519-8767
NSN 5930-01-516-2246