44521110 - Door locks

CPV code 44521110 in the EU Common Procurement Vocabulary refers to Door locks. It sits at level 6 of the CPV hierarchy as a subcategory within the 44 division. This code is nested directly under 44521100, narrowing the broader category into the specific area of door locks. As a leaf code, 44521110 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 door locks. Contracting authorities across the EU use 44521110 in TED notices and national procurement portals to signal that a tender relates to door locks.