MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts and environmental sealing. With an impressive operating temperature range of -65 °C to 200 °C, these connectors offer reliability in extreme conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts. The high-strength aluminum shells come in different plating options, including cadmium-free finishes, ensuring durability and performance. The connector types include front wall mount, rear wall mount, and jam nut receptacles, catering to diverse installation needs. Ideal for military and industrial applications, these connectors provide secure and efficient electrical connections.