The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they offer versatile connectivity options. Operating between -65 °C and 200 °C, these connectors are suitable for a wide range of applications. Utilizing M39029 rear release crimp contacts, they ensure secure and reliable connections. Available in various shell sizes and insert arrangements, they cater to diverse needs. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, they prioritize durability and environmental compliance. With a bayonet coupling design and gold contact plating, these connectors guarantee efficient performance even in demanding conditions.