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 5965-00-188-5531
NSN 6240-00-469-6242
NSN 5998-01-395-6902
NSN 6150-01-285-3901
NSN 5996-01-609-8502
NSN 6685-00-959-4089
NSN 6130-00-586-7173
NSN 6130-00-216-7376
NSN 5910-00-518-2655
NSN 5910-01-574-3732
NSN 6145-01-031-9008
NSN 5930-01-160-6273