MIL-DTL-38999 Series I connectors, designed for harsh environments, offer up to 128 contacts within an environmentally sealed insert. With an operating range of -65°C to 200°C, these connectors are ideal for demanding applications. Featuring various mounting options including front wall, rear wall, and jam nut receptacles, they provide flexibility in installation. The connectors are constructed with high-strength aluminum shells and are available in 9 shell sizes and 52 insert arrangements. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum cater to diverse needs. RoHS compliant finishes are also available. Suitable for military and industrial use, these connectors guarantee reliable performance in challenging conditions.