MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they ensure secure installations. With a wide temperature range of -65 °C to 200 °C, these connectors are suitable for diverse applications. Made of durable aluminum, they come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts. Plating options such as cadmium and nickel coatings provide enhanced protection. Meeting MIL-DTL-38999 II standards, they guarantee reliability in military and industrial settings.