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 6645-01-510-4815
NSN 5930-01-078-5327
NSN 6650-01-550-5221
NSN 5855-01-321-3881
NSN 7035-01-298-5154
NSN 5935-01-521-3779
NSN 5930-01-151-5156
NSN 6610-00-209-4372
NSN 6150-00-382-9624
NSN 6320-01-180-9908
NSN 6240-01-519-2935
NSN 5990-01-387-6114