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 6220-01-007-7959
NSN 6645-00-052-7288
NSN 5930-00-395-2184
NSN 5999-01-431-5448
NSN 6610-01-560-5153
NSN 6650-01-327-3068
NSN 6645-01-499-7385
NSN 5998-00-250-8758
NSN 6105-01-132-4159
NSN 6110-01-548-3666
NSN 5965-01-156-4478
NSN 6130-01-495-0904