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 5920-01-381-6361
NSN 6645-00-943-5190
NSN 5950-00-350-6045
NSN 6135-01-556-2125
NSN 6130-00-899-8448
NSN 5930-00-597-2987
NSN 5855-00-455-6070
NSN 6685-00-558-0856
NSN 6650-01-228-5094
NSN 5999-00-081-0305
NSN 5925-01-302-2720
NSN 6145-00-850-4906