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 5855-01-130-1501
NSN 2925-01-248-6028
NSN 6150-00-759-6802
NSN 5945-01-544-3131
NSN 5915-01-207-1416
NSN 5925-00-933-9286
NSN 5965-01-418-1760
NSN 6105-00-138-5360
NSN 5930-00-518-4790
NSN 5996-00-771-0952
NSN 6150-01-357-8428
NSN 5996-00-358-6257