31711440 - Receiver or amplifier valves and tubes

CPV code 31711440 in the EU Common Procurement Vocabulary refers to Receiver or amplifier 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 31711400, narrowing the broader category into the specific area of receiver or amplifier valves and tubes. As a leaf code, 31711440 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 receiver or amplifier valves and tubes. Contracting authorities across the EU use 31711440 in TED notices and national procurement portals to signal that a tender relates to receiver or amplifier valves and tubes.