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 5999-01-582-7256
NSN 5960-00-824-0052
NSN 6105-00-418-2222
NSN 5915-00-230-4425
NSN 2925-01-327-3069
NSN 6240-01-452-0379
NSN 5935-00-938-1561
NSN 5945-01-301-5617
NSN 6130-01-577-9425
NSN 6620-00-444-6972
NSN 5950-01-296-7567
NSN 5920-00-438-4973