The MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts, featuring environmental sealing for reliable performance in harsh conditions. Designed for durability, these connectors have an operating temperature range of -65 °C to 200 °C, making them suitable for a wide range of applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, including coax and twinax options. Constructed with high-strength aluminum shells and offered in different plating options, such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, these connectors ensure both performance and longevity. RoHS compliant finishes are also available, catering to diverse environmental requirements. Suitable for military and industrial use, the MIL-DTL-38999 Series I connectors are ideal for demanding applications where reliability is paramount.