MIL-DTL-38999 Series I connectors boast up to 128 contacts within a sealed insert, designed for harsh environments with a wide operating temperature range of -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, as well as jam nut receptacles, this connector family offers versatility. Compliant with military specifications, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, catering to different needs. Constructed with high-strength aluminum shells and available in multiple plating options, including RoHS compliant finishes, these connectors ensure durability and performance in demanding applications.