31531100 - Electric tubes

CPV code 31531100 in the EU Common Procurement Vocabulary refers to Electric tubes. It sits at level 5 of the CPV hierarchy as a subcategory within the 31 division. This code is nested directly under 31531000, narrowing the broader category into the specific area of electric tubes. As a leaf code, 31531100 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 electric tubes. Contracting authorities across the EU use 31531100 in TED notices and national procurement portals to signal that a tender relates to electric tubes.