MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert, suitable for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure installations. These connectors, compliant with military specification MIL-DTL-38999 I, boast a wide operating temperature range from -65 °C to 200 °C. Crafted from durable aluminum, they come in various shell sizes and insert arrangements, accommodating M39029 rear release crimp contacts in different sizes. With options for RoHS certified finishes, including cadmium-free coatings, they meet stringent environmental standards. Ideal for applications demanding reliability and ruggedness, these connectors provide efficient electrical connectivity in challenging conditions.