The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they are suitable for a variety of applications. These connectors come in three configurations - front wall mount, rear wall mount, and jam nut receptacles - offering flexibility in installation. Utilizing M39029 rear release crimp contacts in various sizes, they ensure secure connections. Constructed with high-strength aluminum shells and available in different plating options, including RoHS compliant finishes, they provide durability and reliability. The bayonet coupling design facilitates quick and easy mating. Perfect for military and industrial use, these connectors meet stringent MIL-DTL-38999 I specifications, making them a dependable choice for demanding environments.