MIL-DTL-38999 Series II connectors offer robust performance in harsh environments with up to 128 contacts, sealed for environmental protection. Operating between -65 °C and 200 °C, these connectors come in various configurations, including front and rear wall mounts, jam nut, and box mounts. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts for reliable connections. Constructed with aluminum shells, plating options include cadmium-free finishes. With a straight plug design and EMI shielding, they ensure secure and interference-free connectivity. Meeting military specification MIL-DTL-38999 II, these connectors are ideal for demanding applications requiring durability and high performance.