MIL-DTL-38999 Series II connectors feature up to 128 contacts in an insert, designed for harsh environments with a wide operating temperature range from -65 °C to 200 °C. Available in various mounting styles like front and rear wall mount, jam nut, and box mount receptacles, they offer versatility in applications. With options for straight, RFI grounding, and standard plugs, they cater to different connectivity needs. Constructed with aluminum shells and offering platings like electroless nickel and cadmium finishes, these connectors ensure durability and reliability. RoHS compliant options are also available. Suitable for military and industrial use, they provide secure and efficient electrical connections in demanding settings.