MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts housed in a sealed insert. Designed for harsh environments, these connectors boast a wide operating temperature range from -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount as well as jam nut receptacles, they ensure secure installations. Compliant with military specification MIL-DTL-38999 I, these circular receptacles are ideal for applications requiring reliable performance in demanding conditions. Crafted from high-strength aluminum, they come in 9 shell sizes and 52 insert arrangements, accommodating diverse connectivity needs. With options for RoHS-compliant finishes, such as cadmium-free coatings, these connectors prioritize environmental safety without compromising functionality. Suitable for both box and through bulkhead mounting, they offer versatility in installation. Whether for aerospace, defense, or industrial applications, MIL-DTL-38999 Series I connectors deliver dependable electrical connections in even the harshest of environments.