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 6135-00-152-8729
NSN 5915-00-785-2020
NSN 6220-00-141-6150
NSN 6240-01-274-4237
NSN 5999-01-114-0169
NSN 5920-01-146-9154
NSN 2925-01-254-3068
NSN 6220-00-757-5115
NSN 6645-01-258-9272
NSN 6240-01-599-0652
NSN 5855-01-020-7982
NSN 5935-01-038-5914