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 5998-01-163-9064
NSN 5975-01-358-1887
NSN 6320-01-370-5222
NSN 5910-00-559-7389
NSN 5990-00-620-1137
NSN 6150-01-203-1030
NSN 6650-01-454-5175
NSN 6135-01-026-9960
NSN 5950-01-223-3562
NSN 5985-01-501-7298
NSN 5855-00-087-1550
NSN 5895-00-224-0150