Qualified Part : A part manufactured under an authorized quality assurance program and, in the case of replacement, produced to meet or exceed the performance of the original part. (RP 14B, RP 14H, Spec 14A, Spec 14D)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}