The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in a sealed insert. Designed for harsh environments, they can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, as well as straight and angled plugs, these connectors are versatile. With 52 insert arrangements using M39029 rear release crimp contacts, they ensure secure connections. Available in aluminum shells with multiple plating options, including RoHS compliant finishes, they meet military specifications for reliability. Suitable for demanding applications, these connectors guarantee durability and performance.