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 5998-01-464-3873
NSN 6135-01-562-6582
NSN 6110-01-645-3027
NSN 5999-01-268-9674
NSN 6620-01-495-7446
NSN 6645-01-411-5657
NSN 6240-01-220-4373
NSN 5960-01-418-8402
NSN 6135-01-508-6083
NSN 5965-01-408-9551
NSN 6145-01-411-6454
NSN 5930-00-005-2501