The 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 including front and rear wall mount, jam nut, and box mount receptacles, these connectors offer versatility in installations. With options for straight, RFI grounding, and standard plugs, they cater to different cable management needs. Compliant with military specification MIL-DTL-38999, they guarantee durability and reliability in demanding applications. Constructed with aluminum shells and offering multiple plating choices, including RoHS compliant finishes, these connectors ensure efficient signal transmission and protection against environmental factors. Perfect for military, aerospace, and industrial use, they feature gold-plated removable crimp contacts, ensuring optimal conductivity and mating performance. These connectors, with a service rating of M and service class of P, are ideal for applications requiring rugged connectivity solutions.