The MIL-DTL-38999 Series II connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they ensure versatile installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating different contact types. Constructed with aluminum shells and offering multiple plating options, including RoHS compliant finishes, they guarantee durability and reliability. Perfect for military and industrial use, these connectors provide secure and efficient electrical connections with their EMI/RFI shielding and environment-resistant design.