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 5855-01-519-3814
NSN 6130-01-431-4555
NSN 5905-01-340-4615
NSN 6150-01-211-7032
NSN 2925-01-424-0235
NSN 5925-00-813-6810
NSN 5905-01-388-2939
NSN 6620-01-578-1984
NSN 5930-00-091-3292
NSN 5996-01-431-8735
NSN 5975-01-185-5543
NSN 5965-01-233-8607