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 6105-00-553-1941
NSN 5930-01-511-3739
NSN 6105-01-461-8718
NSN 6105-01-219-5226
NSN 5950-01-387-2257
NSN 5925-01-354-4064
NSN 6610-00-155-1334
NSN 5930-01-361-1977
NSN 6320-01-511-1526
NSN 5920-01-590-7170
NSN 5945-01-506-2068
NSN 5998-00-546-2775