MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they withstand temperatures ranging from -65 °C to 200 °C. Available in various mounting options including jam nut, box mount, and front wall mount receptacles, these connectors feature durable aluminum shells with plating options such as gold, electroless nickel, and cadmium-free finishes for RoHS compliance. With M39029 rear release crimp contacts, they ensure reliable performance in military and industrial applications, meeting stringent MIL-DTL-38999 II standards. Perfect for demanding environments, these connectors provide secure and conductive connections, with a service life of 500 mating cycles.