MIL-DTL-38999 Series I connectors offer rugged durability with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they operate reliably in temperatures ranging from -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, this connector family ensures secure connections. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility in various applications. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors guarantee optimal performance. Ideal for military and industrial use, they meet stringent MIL-DTL-38999 specifications, providing reliable connectivity in demanding conditions.