MIL-DTL-38999 Series I connectors feature up to 128 contacts housed 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 are crucial for military and industrial applications. Compliant with MIL-DTL-38999 I specifications, they offer reliability and durability with high strength aluminum shells and a selection of plating options. The connector family includes 52 insert arrangements utilizing M39029 rear release crimp contacts, ensuring secure connections. With RoHS certified finishes available, such as cadmium-free coatings, these connectors meet environmental standards without compromising performance. Ideal for box mounting and through bulkhead applications, they provide efficient electrical connectivity in demanding settings.