The MIL-DTL-38999 Series I connectors, designed for harsh environments, offer reliable connectivity with up to 128 contacts in a secure insert. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, these connectors ensure versatility in installation. With a wide operating temperature range from -65 °C to 200 °C, they are well-suited for demanding applications. Constructed with high-strength aluminum shells and available in various plating options, including RoHS certified finishes, they guarantee durability and compliance. Utilizing M39029 rear release crimp contacts, they provide secure connections in sizes 22D, 22M, 22, 20, 16, and 8. Whether it's light iridescent yellow cadmium, olive drab cadmium, electroless nickel, or black anodized aluminum, the connectors offer a choice of finishes to suit different needs. The bayonet coupling mechanism ensures easy and secure mating, while the environmental sealing provides protection against harsh elements. Ideal for military and industrial applications, these connectors, with their reliable performance and extensive customization options, are essential for critical operations.