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 5935-01-578-5826
NSN 5990-01-013-3205
NSN 5965-01-350-1890
NSN 5945-00-774-3669
NSN 5895-01-495-7994
NSN 5998-01-498-1792
NSN 6240-01-092-3509
NSN 6130-01-056-5251
NSN 6220-01-435-7408
NSN 6135-00-321-6707
NSN 5990-01-581-5103
NSN 5998-01-050-8279