MIL-DTL-38999 Series II connectors are built for rugged performance in harsh environments, boasting up to 128 contacts within a sealed insert. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Crafted from aluminum with plating options including cadmium and nickel, they ensure durability and conductivity. Designed for military specifications, these connectors are RoHS compliant, guaranteeing performance and environmental responsibility.