The MIL-DTL-38999 Series I connectors boast exceptional versatility and durability, featuring up to 128 contacts within an environmentally sealed insert. Operating flawlessly in extreme conditions, these connectors offer a wide temperature range from -65 °C to 200 °C. Available in various configurations including front and rear wall mount, as well as jam nut receptacles, they guarantee secure connections. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable performance. Crafted from high-strength aluminum, they come in multiple plating options such as cadmium and nickel, meeting diverse needs. RoHS compliant finishes are also available, underscoring their commitment to environmental responsibility. Ideal for military and industrial applications, these connectors, known for their rugged construction and precise engineering, are a trusted choice for demanding environments.