73421000 - Development of security equipment

CPV code 73421000 in the EU Common Procurement Vocabulary refers to Development of security equipment. It sits at level 4 of the CPV hierarchy as a category within the 73 division. This code is nested directly under 73420000, narrowing the broader category into the specific area of development of security equipment. As a leaf code, 73421000 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 development of security equipment. Contracting authorities across the EU use 73421000 in TED notices and national procurement portals to signal that a tender relates to development of security equipment.