MIL-DTL-38999 Series I connectors are engineered for rugged environments, featuring up to 128 contacts in a sealed insert. With an extensive operating temperature range from -65 °C to 200 °C, these connectors ensure reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS compliant finishes, they guarantee durability and longevity. The family includes front and rear wall mount, jam nut receptacles, and RFI grounding plugs, all designed for military-grade applications. With their bayonet coupling and straight plug configuration, these connectors provide efficient and secure connectivity for critical systems.