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 5999-01-453-4956
NSN 6105-01-266-3690
NSN 5985-01-339-1575
NSN 5965-00-879-7287
NSN 6135-01-511-1975
NSN 5925-01-465-6279
NSN 6645-00-609-7214
NSN 5915-00-104-3119
NSN 5855-01-349-2055
NSN 5990-01-531-0487
NSN 5895-01-500-1523
NSN 5925-00-485-2851