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 5895-01-238-1077
NSN 5985-01-616-8853
NSN 6135-01-173-6306
NSN 5930-01-153-2646
NSN 5910-01-441-1860
NSN 5975-01-614-7179
NSN 6620-00-962-8699
NSN 6220-00-573-7385
NSN 6620-00-151-5363
NSN 2925-01-501-1104
NSN 5960-00-881-0423
NSN 5905-00-964-2579