MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering robust environmental sealing and a wide operating temperature range of -65 °C to 200 °C. Available in various mounting options including front and rear wall mount as well as jam nut receptacles, they ensure secure connectivity in harsh environments. Compliant with military specification MIL-DTL-38999, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts. Constructed with high-strength aluminum shells and offering multiple plating options such as cadmium and nickel, these connectors guarantee durability and reliability. With RoHS certified finishes available, they meet modern environmental standards while providing exceptional performance in demanding applications.