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 5975-01-023-1707
NSN 4140-01-116-2187
NSN 5975-00-156-0416
NSN 5945-00-973-6674
NSN 6220-01-073-9518
NSN 6220-00-541-8515
NSN 5960-00-983-5986
NSN 2925-01-424-0235
NSN 5855-01-400-1590
NSN 5920-00-985-0888
NSN 6645-01-547-0300
NSN 5910-01-502-5860