MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts within a durable environmentally sealed insert. Built to withstand harsh conditions, they operate reliably in temperatures ranging from -65 °C to 200 °C. Available in various mounting configurations including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure secure and efficient connections. Featuring RFI grounding options and utilizing M39029 rear release crimp contacts, they guarantee optimal signal integrity. With a selection of plating options, including RoHS compliant finishes, these connectors provide versatility for a wide range of applications. Crafted from aluminum shells, they offer durability and conductivity, making them ideal for demanding environments.