MIL-DTL-38999 Series I connectors offer exceptional performance in harsh environments, featuring up to 128 contacts in a durable aluminum shell. With a wide operating temperature range from -65°C to 200°C, these connectors are ideal for demanding applications. Available in various shell sizes and insert arrangements, they provide flexibility for different connection needs. The connectors are environmentally sealed and come with RoHS-certified finishes for compliance with regulations. With front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they offer versatility for installation. Utilizing M39029 rear release crimp contacts, these connectors ensure reliable connections with a mating life of 1500 cycles. Gold-plated contacts guarantee excellent conductivity, while the Electroless Nickel finish provides added durability. Designed to meet MIL-DTL-38999 I military specifications, these connectors are suitable for critical military and aerospace applications, offering rugged performance and longevity.