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 6130-01-619-4616
NSN 6650-00-375-6632
NSN 5950-01-032-2234
NSN 6240-00-829-4179
NSN 6645-00-936-9111
NSN 6645-01-507-0208
NSN 5975-01-364-3533
NSN 5905-00-832-9002
NSN 6320-00-857-4073
NSN 5925-01-634-0664
NSN 5915-01-094-7847
NSN 5945-01-415-1796