MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With a wide operating temperature range of -65°C to 200°C, these connectors are reliable in extreme conditions. Available in various mounting options including front wall, rear wall, and jam nut receptacles, they offer flexibility in installation. Utilizing M39029 rear release crimp contacts, they ensure secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS compliant finishes, these connectors are durable and versatile. Suitable for military and industrial applications, they provide excellent conductivity and mating reliability, with a service rating of I. Whether in aerospace, defense, or telecommunications, MIL-DTL-38999 I connectors deliver robust performance.