The MIL-DTL-38999 Series II connectors are designed for harsh environments, with up to 128 contacts in an insert for versatile connectivity. Featuring a rugged aluminum shell and various plating options, including RoHS-certified finishes, these connectors offer durability and reliability. With a wide operating temperature range of -65°C to 200°C, they are suitable for diverse applications. Available in multiple shell sizes and insert arrangements, they include rear release crimp contacts and offer various mounting options like front and rear wall mount, jam nut, and box mount receptacles. The connectors meet military specification MIL-DTL-38999 II, ensuring high performance in demanding settings. With gold-plated contacts and a bayonet coupling design, they provide secure and efficient electrical connections, making them ideal for military, aerospace, and industrial use.