MIL-DTL-38999 Series I connectors are engineered for demanding environments, featuring up to 128 contacts within an insert for robust connectivity. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for high-temperature applications. Available in various shell sizes and insert arrangements, they offer versatility for different mounting configurations. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, they ensure reliable performance in harsh conditions. The connectors, with front wall mount, rear wall mount, and jam nut receptacles, along with RFI grounding plugs, provide secure connections. Utilizing M39029 rear release crimp contacts in different sizes, they offer flexibility for various contact arrangements. Suitable for military and industrial use, these connectors meet MIL-DTL-38999 I specifications for durability and performance.