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 5960-00-597-2680
NSN 5945-01-397-0235
NSN 6150-01-140-0027
NSN 6105-00-698-7512
NSN 7035-01-227-2546
NSN 5990-00-483-0482
NSN 5945-00-947-2709
NSN 6645-00-262-7448
NSN 5999-01-384-8789
NSN 5920-01-471-5364
NSN 6150-01-319-3850
NSN 5920-01-524-8776