MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts sealed in an insert. With an operating temperature range of -65 °C to 200 °C, these connectors offer durability in extreme conditions. Available in various configurations including front and rear wall mount receptacles, as well as jam nut receptacles, they provide versatility for different applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including cadmium-free finishes, these connectors meet stringent military specifications. With their reliable performance and robust design, they are ideal for demanding electronic systems.