MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in a sealed insert, designed for harsh environments. Operating between -65°C and 200°C, these circular plugs feature front and rear wall mounts, as well as jam nut receptacles, ensuring versatile installation. Compliant with military specification MIL-DTL-38999 I, they boast high-strength aluminum shells in 9 sizes with various plating options, including cadmium-free finishes. Utilizing M39029 rear release crimp contacts, they guarantee reliable performance, making them ideal for demanding applications that require durability and conductivity.