MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts enclosed in a sealed insert. Operating efficiently in temperatures ranging from -65 °C to 200 °C, these connectors offer durability and reliability. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Featuring thin walls and restricted lengths, they ensure space-efficient connectivity. With options for straight, RFI grounding, and standard plugs, along with a variety of shell sizes and insert arrangements, these connectors provide flexibility in usage. Constructed with aluminum shells and plated in finishes like gold, electroless nickel, and anodized aluminum, they guarantee robust performance. Compliant with military specification MIL-DTL-38999 II and offering RoHS-certified cadmium-free options, these connectors are ideal for demanding applications where reliability is paramount.