31711530 - Parts of electronic valves and tubes

CPV code 31711530 in the EU Common Procurement Vocabulary refers to Parts of electronic valves and tubes. It sits at level 6 of the CPV hierarchy as a subcategory within the 31 division. This code is nested directly under 31711500, narrowing the broader category into the specific area of parts of electronic valves and tubes. As a leaf code, 31711530 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns parts of electronic valves and tubes. Contracting authorities across the EU use 31711530 in TED notices and national procurement portals to signal that a tender relates to parts of electronic valves and tubes.