MIL-DTL-38999 Series II connectors offer reliable performance in harsh environments with up to 128 contacts housed in an insert. Designed for durability, these environmentally sealed connectors feature a wide operating temperature range from -65 °C to 200 °C. Available in various configurations, including front and rear wall mount, jam nut, and box mount receptacles, they meet stringent military specifications for quality and performance. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. With options for different shell sizes and plating finishes, including RoHS compliant coatings, they provide versatility for diverse applications. Made with aluminum shells, these connectors are built to withstand demanding conditions, making them ideal for aerospace, defense, and industrial applications.