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 6135-01-293-3066
NSN 5960-00-976-4871
NSN 6685-01-463-9078
NSN 6240-01-621-2774
NSN 5905-01-519-0796
NSN 5910-01-563-8146
NSN 5985-01-365-3794
NSN 5998-01-480-3074
NSN 6685-01-420-9380
NSN 5960-00-241-2911
NSN 5960-01-367-0981
NSN 4140-01-425-6441