A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5855-00-821-7512
NSN 6130-01-526-3419
NSN 6650-01-604-7642
NSN 5996-01-527-3964
NSN 5950-00-760-3609
NSN 6150-00-169-4232
NSN 6130-01-384-3290
NSN 6220-01-611-1224
NSN 5960-00-204-7506
NSN 5855-00-179-8588
NSN 5855-00-256-5562
NSN 5930-00-909-4023