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 5945-01-392-1068
NSN 5925-00-319-4212
NSN 5915-00-081-7815
NSN 5975-01-387-7627
NSN 5965-01-392-6511
NSN 6220-00-625-8554
NSN 5950-00-760-1413
NSN 6620-01-348-8256
NSN 5960-00-275-7497
NSN 5999-00-269-5320
NSN 6240-01-616-6813
NSN 5930-01-162-9517