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 6320-01-145-9013
NSN 6650-01-406-9852
NSN 5975-01-062-0874
NSN 5960-00-594-0824
NSN 6240-01-365-7996
NSN 5925-00-916-6773
NSN 5910-01-510-1399
NSN 2925-01-411-8002
NSN 6135-01-136-1059
NSN 6135-00-134-6648
NSN 5965-00-970-6431
NSN 5985-01-101-2349