MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in a single insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Featuring 52 insert arrangements and utilizing M39029 rear release crimp contacts, these connectors ensure reliable connectivity. Constructed with aluminum shells and offering multiple plating options, including RoHS certified finishes, they meet stringent quality standards. With a straight plug shell style and gold contact plating, these connectors guarantee high performance and durability. Suitable for military and industrial use, they are essential for applications requiring rugged and reliable electrical connections.