The MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts within a durable aluminum shell. Designed for rugged applications, these connectors are environmentally sealed and can operate in temperatures ranging from -65 °C to 200 °C. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. With options for RoHS-certified finishes, including cadmium-free coatings, these connectors ensure reliability and longevity in military and industrial settings. Suitable for front and rear wall mount, as well as jam nut receptacles, they provide versatile solutions for demanding connectivity needs.