MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various mounting options like front wall, rear wall, and jam nut receptacles, they offer RFI grounding plugs for added versatility. With 9 shell sizes and 52 insert arrangements, including M39029 rear release crimp contacts, they cater to diverse connectivity needs. Crafted from high-strength aluminum, these connectors come in multiple plating options such as cadmium and nickel, ensuring durability. RoHS compliant finishes are also available, making them environmentally friendly choices. Ideal for military applications, these connectors guarantee reliable performance in demanding conditions, with female contact gender and socket contact style for secure connections.