MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, ideal for harsh environments. Designed for durability, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Featuring various mounting options such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for reliable connections. Made with aluminum shells and offering multiple plating options including cadmium-free finishes, they ensure long-lasting performance. With a mating type of bayonet and contact style of removable crimp contacts, these connectors are suited for military and industrial applications requiring secure and efficient electrical connections.