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 6220-01-005-9192
NSN 6130-01-603-0999
NSN 5930-00-244-0171
NSN 5960-00-215-5884
NSN 6150-01-602-1865
NSN 6135-01-373-2518
NSN 5905-01-420-8226
NSN 6240-01-059-3563
NSN 5950-01-141-7019
NSN 5996-01-113-5013
NSN 4140-00-859-2412
NSN 5895-00-500-8386