MIL-DTL-38999 Series I connectors offer rugged durability for harsh environments, with up to 128 contacts in an insert. These front wall mount, rear wall mount, and jam nut receptacles feature RFI grounding plugs and are environmentally sealed, ensuring reliable performance. With a wide operating temperature range from -65 °C to 200 °C, they are suitable for various applications. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells and offered in different plating options, including cadmium-free finishes, they meet stringent military specifications for durability and performance. Perfect for use in demanding environments, these connectors provide reliable connectivity in critical operations.