MIL-DTL-38999 Series II connectors are engineered for rugged applications, featuring up to 128 contacts within a durable insert. Designed for harsh environments, these connectors offer reliable performance in temperatures ranging from -65 °C to 200 °C. Available in various mounting styles including front and rear wall mount, jam nut, and box mount receptacles, they provide versatile connectivity solutions. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure secure and efficient connections. Constructed with aluminum shells and offering multiple plating options, including cadmium-free finishes, these connectors meet stringent military specifications. Ideal for aerospace, defense, and industrial applications, they guarantee durability and reliability in demanding operating conditions.