The MIL-DTL-38999 Series II connectors offer durable and versatile connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they can withstand temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, these connectors provide flexibility in installation. With options for straight, RFI grounding, and standard plugs, they accommodate different cable configurations. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Constructed with aluminum shells and available in multiple plating options, including RoHS certified finishes, these connectors prioritize performance and compliance. Suitable for military and industrial applications, they offer a service life of 500 cycles and ensure conductivity in challenging conditions.