The MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts within a sealed insert. Operating efficiently in extreme temperatures ranging from -65 °C to 200 °C, these connectors are designed for durability. With options for front and rear wall mount, as well as jam nut receptacles, they provide versatile installation solutions. Utilizing M39029 rear release crimp contacts, available in various sizes, they ensure secure and reliable connections. Constructed with high-strength aluminum shells and offered in multiple plating options, including RoHS-certified finishes, these connectors meet stringent military specifications. Their bayonet coupling and wall mounting flange design make them suitable for a wide range of applications requiring rugged and dependable electrical connections.