This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This SAE Standard covers the chemical, metallurgical, and mechanical requirements for one piece passenger car and truck ferrous wheel nuts with conical or spherical nut seats for the following sizes: a. M10 x 1.25 M14 x 1.5 M14 x 2.0 9/16-18 and b. M12 x 1.25 M12 X 1.5 1/2-20. This test is for typical wheel nuts. Special applications (nut material and/or configurations) may require special conditions which must meet load values in 3.4.