MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they feature various mounting options such as front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, these connectors use M39029 rear release crimp contacts for reliable connections. Crafted from aluminum, they come with a choice of plating options including cadmium-free finishes. With a temperature range of -65 °C to 200 °C, they ensure durability in demanding conditions. Suitable for military and industrial applications, these connectors provide secure and efficient electrical transmission.