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 6645-01-198-4078
NSN 6105-01-503-0391
NSN 5925-00-688-4332
NSN 2925-01-069-5324
NSN 6645-00-353-6659
NSN 5925-01-332-9929
NSN 5960-01-092-4069
NSN 6145-00-632-3229
NSN 6110-01-620-8651
NSN 5895-01-367-6531
NSN 6240-00-383-7668
NSN 5960-01-550-2782