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 6240-00-578-6820
NSN 5975-01-377-5716
NSN 5930-01-314-4080
NSN 5950-01-556-7989
NSN 6610-01-433-2219
NSN 2925-00-441-8118
NSN 5910-00-080-9843
NSN 5965-01-399-6071
NSN 5960-01-366-6246
NSN 5985-00-212-5921
NSN 6135-01-450-3781
NSN 5905-01-640-7322