MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they offer flexibility for different needs. The connectors come in high-strength aluminum shells with multiple plating options, including cadmium-free finishes for RoHS compliance. Offering reliable performance, they are environmentally sealed and meet military specifications for durability. Suitable for front and rear wall mount, as well as jam nut receptacles, these connectors ensure secure and efficient connectivity in rugged conditions.