351-0209-000 is a VEAM CIR Series circular connector designed for reliable electrical interconnection in industrial and aerospace applications. The connector features an aluminum alloy shell with hard black anodize finish (T89) and a polychloroprene (neoprene) insert, with copper alloy contacts finished in gold plating (standard T12). The product is manufactured in accordance with NATO Standard VG95234, which is based on MIL-DTL-5015 for physical size, layout, and environmental requirements. Alternative materials and finishes are available, including stainless steel, bronze, and plastic composite shells, as well as silicone and fluorocarbon (Viton) inserts. This connector is widely used in aerospace, energy infrastructure, and transportation industries where robust, environmentally sealed interconnections are essential for mission-critical applications.