MIL-DTL-38999 Series I connectors, also known 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 and Cadmium Olive Drab finishes, these connectors offer excellent corrosion resistance and conductivity. With a removable crimp contact design and a maximum operating temperature of 175 °C, they are ideal for military and aerospace applications. The 25-35 shell size accommodates 128 contacts, providing ample connectivity in compact spaces. Each connector is RFI grounded and environmentally sealed, ensuring reliable performance in demanding conditions. RoHS non-compliant.