MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. Environmentally sealed with a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they ensure flexibility in installation. With options for straight, RFI grounding, and standard plugs, along with 52 insert arrangements, these connectors meet diverse connectivity needs. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, they guarantee durability and compliance. Perfect for military and industrial applications, these connectors are ideal for demanding environments where reliable electrical connections are essential.