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 5915-01-462-0432
NSN 5965-00-196-7320
NSN 5910-00-149-0678
NSN 6220-01-559-0966
NSN 5915-00-928-8267
NSN 6150-00-809-5431
NSN 6240-01-104-7066
NSN 5960-00-431-8739
NSN 6220-01-397-2846
NSN 6135-01-342-3859
NSN 6685-01-501-1312
NSN 6105-00-772-0730