ASME Y14.13M-1981 (R2003)

This standard is no longer an American National Standard or an ASME-approved standard. It is available for historical reference only.â?? This Standard establishes uniform methods for specifying end product data on drawings for mechanical springs. A mechanical spring is defined as an elastic body whose mechanical function is to store energy when deflected by a force and to return the equivalent amount of energy upon being release.