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 6110-00-614-4763
NSN 5915-01-028-4466
NSN 6145-00-100-4358
NSN 6320-00-513-8376
NSN 5920-00-280-4007
NSN 6105-01-097-8743
NSN 6130-01-307-7317
NSN 5950-01-298-8045
NSN 4140-00-080-8740
NSN 5925-01-344-4901
NSN 5920-01-536-7173
NSN 5965-01-222-1420