CPV code 35642000 designates Electronic and electrical spare parts for military aerospace equipment in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
35642000 is a leaf code — the most specific level of its branch — so it can be used directly as the main CPV code of a contract notice. If it does not quite fit, check the neighbouring codes under 35640000 (Parts for military aerospace equipment).