The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert for robust connectivity. 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 for different installation needs. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure durability and reliability. Ideal for military and industrial use, they come in receptacle configurations with bayonet coupling for secure mating. The use of M39029 rear release crimp contacts ensures easy installation and maintenance. With features like environmental sealing and RFI grounding plugs, they provide protection against harsh conditions. Whether for front wall mount, rear wall mount, or jam nut receptacles, the MIL-DTL-38999 Series I connectors deliver high performance in challenging environments.