MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various mounting options including front wall, rear wall, and jam nut receptacles, these connectors offer reliable RFI grounding. With 52 insert arrangements and M39029 rear release crimp contacts, they cater to diverse connectivity needs. Constructed with high-strength aluminum shells and offering plating options such as cadmium and nickel, these connectors ensure durability. Meeting stringent military specifications, they are ideal for applications requiring secure and robust electrical connections.