MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts in a secure, environmentally sealed insert. Designed for harsh environments, these connectors boast a wide operating temperature range from -65 °C to 200 °C. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatile installation solutions. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for reliable connections. Constructed with aluminum shells and offering multiple plating options, they ensure durability and corrosion resistance. Compliant with military specification MIL-DTL-38999 II, these connectors are ideal for demanding applications that require high reliability.