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 5945-01-615-7223
NSN 6320-00-360-1744
NSN 5920-01-013-3883
NSN 6645-00-646-6631
NSN 5905-00-266-8324
NSN 6135-01-422-1440
NSN 5895-01-100-3472
NSN 6105-00-686-5995
NSN 5999-00-758-4587
NSN 5895-01-290-5707
NSN 5935-00-925-2536
NSN 5950-01-378-7926