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 5975-00-422-8500
NSN 5920-01-558-2176
NSN 5915-00-672-8741
NSN 5960-01-029-2940
NSN 6650-01-608-7017
NSN 5895-00-554-4573
NSN 7035-01-435-4009
NSN 2925-01-391-9247
NSN 5920-00-247-2737
NSN 5965-01-461-6071
NSN 5835-01-658-8290
NSN 5935-00-115-5415