The MIL-DTL-38999 Series II connectors are rugged and versatile, featuring up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they offer reliable performance in temperatures ranging from -65 °C to 200 °C. Available in various mounting styles including jam nut, front and rear wall mount, and front box mount, these connectors are ideal for military and aerospace applications. With options for straight, RFI grounding, and standard plugs, as well as a range of shell sizes and insert arrangements, they provide flexibility for different connection needs. Made of aluminum with various plating options, including RoHS compliant finishes, these connectors ensure durability and compatibility. Suitable for use in demanding conditions, they meet MIL-DTL-38999 II standards for quality and performance.