MIL-DTL-38999 Series II connectors are designed for rugged environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range from -65°C to 200°C, they ensure reliability in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installation. Constructed with aluminum shells and offering multiple plating options such as electroless nickel and cadmium olive drab, they meet stringent military specifications. Utilizing removable crimp contacts, these connectors provide secure and reliable connections, suitable for demanding applications requiring high performance and durability.