MIL-DTL-38999 Series I connectors feature up to 128 environmentally sealed contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, these connectors meet military specifications for reliability. Utilizing M39029 rear release crimp contacts, they offer secure connections in sizes 22D, 22M, 22, 20, 16, and 8. The high-strength aluminum shells come in nine sizes with 52 insert arrangements, plated with options such as cadmium and nickel. RoHS certified finishes are also available. Perfect for demanding applications, these connectors ensure durability and performance in aerospace, defense, and other critical industries.