The MIL-DTL-38999 Series II connectors are designed for demanding environments, offering up to 128 contacts in a sealed insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors ensure reliable performance in extreme conditions. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they cater to diverse installation needs. Featuring durable aluminum shells with plating options such as cadmium and nickel, they meet stringent military specifications. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure and efficient connections. Suitable for applications requiring EMI/RFI shielding, their gold-plated contacts ensure high conductivity and longevity. RoHS compliant options are also available, making them a reliable choice for critical systems in aerospace, defense, and industrial sectors.