VDA 6.1 VDA 6.1 VDA 6.1 is a German quality management system standard. It was initiated by the automobile industry. The first VDA standard was for the exchange of surface models, and was named "VDA-FS". It has been superseded along the way, by a subset of the "Initial Graphics Exchange Specification" (IGES); referred to, simply, as "VDA". Aside from this exchange standard, VDA also developed "VDA-PS", a library standard for standard parts, now known as "DIN 66304". Based on ISO 9001:1994, the quality management system includes all elements of QS-9000, with an additional four requirements specific to VDA 6.1 as follows: The
ISO 31 ISO 31 ISO 31 (Quantities and units, International Organization for Standardization, 1992) is a deprecated international standard for the use of physical quantities and units of measurement, and formulas involving them, in scientific and educational documents. It is superseded by ISO/IEC 80000. The standard comes in 14 parts: A second international standard on quantities and units was IEC 60027 . The ISO 31 and IEC 60027 Standards were revised by the two standardization organizations in collaboration (, ) to integrate both standards into a joint standard "ISO/IEC 80000 - Quantities and Units" in which the quantities and equations used with