MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, these connectors come in aluminum shells with multiple plating options. The connectors are environmentally sealed and meet military specifications for durability. Their bayonet coupling and jam nut mounting options make them versatile for different applications, while RoHS compliant finishes ensure they meet environmental standards. Perfect for demanding military and industrial settings, these connectors provide secure and efficient electrical connections.