MIL-DTL-38999 Series I connectors feature environmentally sealed inserts with up to 128 contacts, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors offer versatility in applications. Constructed with high-strength aluminum shells and a choice of plating options including cadmium-free finishes, they ensure durability and reliability. The connector family includes front and rear wall mount, jam nut receptacles, and RFI grounding plugs, all meeting stringent military specifications. With gold-plated removable crimp contacts and bayonet coupling for secure connections, these connectors are ideal for aerospace, defense, and industrial applications requiring rugged performance in demanding environments.