This SAE Recommended Practice applies to nuts as specified in SAE J 694 and J1835 used for wheel and demountable rim attachment. Only the test methods necessary to assure proper wheel or rim assembly are assembly are specified. Fasteners for less common and special applications are not included. This document, to ensure proper assemblies, specifies test methods for metric or english, one- or two-piece flange nuts, single ball seat nuts, inner and outer ball seat nuts, and rim clamp nuts.