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 5999-00-427-0914
NSN 6150-01-160-5608
NSN 5975-01-464-7674
NSN 6220-00-070-6062
NSN 6105-00-408-5552
NSN 5895-01-441-2775
NSN 5985-01-597-3126
NSN 5905-01-106-3847
NSN 5975-00-436-1822
NSN 5960-00-249-1254
NSN 5905-01-659-7884
NSN 5905-01-555-6255