The MIL-DTL-38999 Series I connectors are designed for rugged environments, with up to 128 contacts sealed in an insert. Operating from -65°C to 200°C, they offer reliable performance in extreme temperatures. Available in various mounting styles, including front and rear wall mount and jam nut receptacles, they provide versatility in installation. These connectors meet military specifications and offer RoHS compliant finishes for environmental compliance. With high-strength aluminum shells and corrosion-resistant coatings, they ensure durability in demanding applications. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections for aerospace, defense, and industrial use.