The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an insert, suitable for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure installations. These connectors, with a wide operating temperature range of -65 °C to 200 °C, are designed for durability. Utilizing M39029 rear release crimp contacts in various sizes, they guarantee reliable connections. With options for different plating finishes, including RoHS certified cadmium-free alternatives, they cater to diverse needs. The connectors, encased in high-strength aluminum shells, provide excellent protection. Whether for military or industrial applications, they deliver optimal performance, making them a trusted choice in the field of circular connectors.