D3899933W21N

Amphenol PCD's D3899933W21N represents cutting-edge innovation in Circular Connectors - Accessories, specifically developed for mission-critical connectivity. This accessory sets new benchmarks in durability and electrical performance for 5G infrastructure deployments.Functioning as Cap (Cover), Protective, this solution provides three-layer protection against environmental contaminants. Its unique design combines dust-proof and waterproof characteristics without compromising signal transmission quality.Specifically engineered for MIL-DTL-38999 Series III Receptacle, the accessory demonstrates perfect mechanical compatibility. Test results show 5000+ mating cycles without degradation in contact resistance.Precision-machined to 21 specifications, the component maintains concentricity within 0.01mm for perfect RF shielding. The size selection caters to both standard and high-current applications.The advanced Aluminum Alloy composition delivers unmatched UV resistance and flame retardancy (UL94 V-0 rated). Material properties have been optimized for low outgassing in vacuum environments.Incorporating Contains Strap with Ring, Environment Resistant, this accessory provides 360 EMI shielding effectiveness (>90dB at 1GHz). Its quick-lock mechanism reduces installation time by 40% compared to threaded alternatives.The Olive finish incorporates conductive properties for grounding applications while meeting MIL-STD-3009 visual standards. Colorfastness testing confirms no fading after 1000 hours of UV exposure.