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 7035-01-459-8268
NSN 6150-01-447-0044
NSN 6610-01-316-8902
NSN 5965-00-350-2367
NSN 5945-00-005-6941
NSN 5835-01-449-7511
NSN 5999-00-684-6811
NSN 5965-00-452-0967
NSN 6240-00-322-9928
NSN 6110-00-322-7059
NSN 5990-00-734-7285
NSN 5855-01-027-1571