The MIL-DTL-38999 Series I connectors boast a rugged design suitable for harsh environments, featuring up to 128 contacts housed in an insert. With an operating temperature range spanning from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various configurations including front and rear wall mount as well as jam nut receptacles, they cater to diverse installation needs. The connectors utilize M39029 rear release crimp contacts, ensuring secure connections. Crafted from high-strength aluminum, they come in 9 shell sizes and 52 insert arrangements, providing versatility in application. Options for plating include light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, with RoHS-certified cadmium-free finishes available. Designed to meet MIL-DTL-38999 I military specifications, these connectors offer efficient and durable connectivity solutions.