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 6610-00-100-1195
NSN 6110-00-141-1966
NSN 5935-00-409-0734
NSN 5965-01-348-5997
NSN 6320-01-108-5933
NSN 5855-00-688-9954
NSN 5930-00-036-8587
NSN 5895-01-080-2846
NSN 5945-01-617-1673
NSN 5945-01-421-1785
NSN 6645-01-355-9733
NSN 5930-01-273-0946