50312310 - Maintenance of data network equipment

CPV code 50312310 in the EU Common Procurement Vocabulary refers to Maintenance of data network equipment. It sits at level 6 of the CPV hierarchy as a subcategory within the 50 division. This code is nested directly under 50312300, narrowing the broader category into the specific area of maintenance of data network equipment. As a leaf code, 50312310 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 maintenance of data network equipment. Contracting authorities across the EU use 50312310 in TED notices and national procurement portals to signal that a tender relates to maintenance of data network equipment.