MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in a rugged insert. Designed for harsh environments, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they ensure secure and reliable connections. With a selection of RoHS certified finishes like electroless nickel and cadmium olive drab, these connectors meet stringent military specifications for durability and performance. Suitable for a wide range of applications, they feature gold-plated, removable crimp contacts for optimal conductivity and a mating type of bayonet for easy installation. The aluminum shells and conductive sockets make them ideal for demanding environments where reliability is paramount.