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 5895-01-016-9461
NSN 5945-00-326-1839
NSN 5905-01-422-1670
NSN 6620-01-583-7089
NSN 5998-01-146-5780
NSN 6105-00-551-3747
NSN 5965-00-857-6622
NSN 6240-01-610-8705
NSN 5985-00-143-3618
NSN 5835-01-632-6627
NSN 6110-01-284-0318
NSN 6620-01-606-4138