MIL-DTL-38999 Series I connectors, designated as MS27656, are high-performance electrical receptacles designed for back panel wall mounting applications in harsh environments. Featuring a durable aluminum shell with electroless nickel plating, these connectors offer superior corrosion resistance and conductivity. With 21 removable crimp contacts, each gold-plated for enhanced signal transmission, they ensure reliable performance even in extreme temperatures ranging from -65 °C to 200 °C. Meeting stringent military specification MIL-DTL-38999 I, these connectors are ideal for use in aerospace, defense, and other high-reliability applications where ruggedness and environmental resistance are paramount. Please note, this product is not RoHS compliant.