MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an insert. Designed for harsh environments, they are sealed to withstand extreme 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, these connectors ensure secure installations. Featuring aluminum shells with plating options such as cadmium and nickel, they meet stringent military specifications for reliability. With removable crimp contacts and bayonet coupling, they provide efficient signal transmission in demanding applications. Suitable for environment-resistant box and bulkhead mounting, these connectors guarantee high performance with a mating life of 500 cycles.