MIL-DTL-38999 Series II connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in connectivity. With options for straight, RFI grounding, and standard plugs, they cater to different installation needs. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. Constructed with aluminum shells and offered in multiple plating options, including RoHS certified finishes, they meet diverse application requirements. The connectors are specified for military use, meeting MIL-DTL-38999 II standards for performance and durability. Suitable for demanding environments, they provide efficient electrical connections with a focus on ruggedness and longevity.