MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. These circular connectors come in various configurations including front wall mount, rear wall mount, and jam nut receptacles, with RFI grounding plugs available. With 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high strength aluminum shells, they offer a choice of plating options such as light iridescent yellow cadmium, olive drab cadmium, electroless nickel, and black anodized aluminum, including RoHS certified cadmium-free finishes. Ideal for military applications, these connectors provide reliable connectivity with a bayonet coupling feature and are suitable for demanding environments, meeting MIL-DTL-38999 Series I specifications.
