MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. Operating between -65 °C and 200 °C, these connectors offer reliable performance 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. With options for straight, RFI grounding, and standard plugs, including a 90-degree cable clamp, versatility is ensured. Utilizing M39029 rear release crimp contacts, these connectors come in aluminum shells with multiple plating choices, including RoHS compliant finishes. Ideal for military and industrial applications, they provide secure and durable connectivity, meeting stringent standards for performance and reliability.