MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Constructed with aluminum shells and offering multiple plating options including cadmium and nickel, these connectors ensure durability and performance. Utilizing M39029 rear release crimp contacts, they provide secure connections. RoHS compliant finishes are also available. Suitable for military and industrial applications, these connectors are engineered for rugged environments.