The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert. Designed for harsh environments, these connectors are environmentally sealed and operate reliably 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, they cater to diverse installation needs. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with durable aluminum shells and offering multiple plating options such as cadmium and nickel, they ensure long-lasting performance. With RoHS certified finishes available, these connectors adhere to environmental standards. Ideal for military and industrial applications, they guarantee reliable functionality in demanding settings.