MIL-DTL-38999 Series I connectors are high-performance, military-grade electrical receptacles designed for harsh environments. Featuring a durable aluminum shell with options for various plating finishes including gold, olive drab cadmium, and electroless nickel, these connectors offer reliable conductivity and environmental resistance. With a wall-mounting flange and bayonet coupling for secure installation, they are ideal for use in rugged applications. This specific model, MS27656E11B5PA, has 5 removable crimp contacts (size 20) for efficient connectivity. Operating within a wide temperature range of -65°C to 175°C, and meeting stringent MIL-DTL-38999 I standards, these connectors are suitable for aerospace, defense, and other high-reliability applications. (Note: RoHS compliance varies, please refer to individual product specifications)