MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, sealed for environmental protection and designed for harsh operating conditions. Featuring various mounting options including front and rear wall mount, as well as jam nut and box mount receptacles, these connectors ensure versatile installation. Available in 9 shell sizes and 52 insert arrangements, they accommodate M39029 rear release crimp contacts. Built with aluminum shells and offering a range of plating options, from cadmium finishes to RoHS-compliant alternatives, these connectors guarantee reliable performance. With a temperature range spanning from -65 °C to 200 °C, they meet stringent military specifications for durability and functionality in demanding environments.