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 5910-01-215-1970
NSN 6240-00-052-9851
NSN 6220-01-375-3801
NSN 6135-01-576-9616
NSN 5895-01-375-4607
NSN 5855-01-006-1827
NSN 6610-01-023-1918
NSN 6650-00-486-7924
NSN 5985-01-081-9351
NSN 5935-01-010-3415
NSN 5835-01-257-0154
NSN 5975-01-285-4392