SSSV Assembly : A SSSV and safety valve lock. This term shall include only the SSSV when referring to tubing retrievable type SSSVs. (RP 14B, Spec 14A)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}