The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they offer flexibility in design. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS compliant finishes, these connectors ensure reliable performance. Designed for wall mounting, they come in receptacle and grounding plug configurations, meeting military specifications for durability and performance in challenging conditions. With gold-plated removable crimp contacts, they provide excellent conductivity and mating reliability, making them ideal for critical electrical connections.