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 4140-01-077-3981
NSN 5950-01-438-9010
NSN 5920-00-248-8896
NSN 6135-01-328-6583
NSN 5920-01-209-6368
NSN 6130-01-452-2628
NSN 5855-01-487-5048
NSN 4140-01-065-1884
NSN 5895-00-552-9920
NSN 5925-00-067-3814
NSN 5990-00-518-0684
NSN 6105-01-077-8135