The MIL-DTL-38999 Series II connectors offer high-performance connectivity for harsh environments, featuring up to 128 contacts housed in a rugged insert. With an extensive operating temperature range from -65°C to 200°C, these connectors are built for durability. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatile installation options. The aluminum shells come with a choice of plating finishes, ensuring reliability in diverse applications. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. Designed to meet stringent military specifications, they are ideal for demanding aerospace, defense, and industrial environments.