The MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts and a wide operating temperature range of -65°C to 200°C. These connectors, available in various shell sizes and insert arrangements, offer versatility in military and aerospace applications. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they ensure secure and reliable connections. Constructed with high-strength aluminum shells and offering multiple plating choices, including RoHS-compliant finishes, they meet stringent performance requirements. Ideal for use in harsh conditions, these connectors provide durability and conductivity, with a contact mating life of 500 cycles.