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 6320-00-036-3688
NSN 5999-00-186-0058
NSN 5905-00-872-3252
NSN 6645-00-429-0172
NSN 5855-01-633-9619
NSN 4140-00-630-2153
NSN 5935-00-772-3554
NSN 4140-01-368-5215
NSN 5905-00-494-5972
NSN 6145-00-296-0085
NSN 6130-00-128-0034
NSN 5985-00-959-6441